Update the go.mod version to go1.17 (gardener#5599)

Signed-off-by: ialidzhikov <i.alidjikov@gmail.com>

go.mod

@@ -1,16 +1,14 @@
 module github.com/gardener/gardener
 
-go 1.16
+go 1.17
 
 require (
-	github.com/Masterminds/goutils v1.1.1 // indirect
 	github.com/Masterminds/semver v1.5.0
 	github.com/Masterminds/sprig v2.22.0+incompatible
 	github.com/ahmetb/gen-crd-api-reference-docs v0.2.0
 	github.com/bronze1man/yaml2json v0.0.0-20201022121239-82e774ec909d
 	github.com/coreos/go-systemd/v22 v22.3.2
 	github.com/envoyproxy/go-control-plane v0.9.10-0.20210907150352-cf90f659a021
-	github.com/frankban/quicktest v1.13.1 // indirect
 	github.com/gardener/dependency-watchdog v0.7.0
 	github.com/gardener/etcd-druid v0.7.0
 	github.com/gardener/external-dns-management v0.7.18
@@ -20,25 +18,20 @@ require (
 	github.com/go-logr/logr v1.2.0
 	github.com/gogo/protobuf v1.3.2
 	github.com/golang/mock v1.6.0
-	github.com/golang/snappy v0.0.4 // indirect
 	github.com/googleapis/gnostic v0.5.5
 	github.com/hashicorp/go-multierror v1.1.0
 	github.com/kubernetes-csi/external-snapshotter/v2 v2.1.4
 	github.com/mholt/archiver v3.1.1+incompatible
-	github.com/mitchellh/copystructure v1.2.0 // indirect
 	github.com/mitchellh/hashstructure/v2 v2.0.2
-	github.com/nwaples/rardecode v1.1.2 // indirect
 	github.com/onsi/ginkgo/v2 v2.1.0
 	github.com/onsi/gomega v1.18.0
-	github.com/pierrec/lz4 v2.6.1+incompatible // indirect
 	github.com/prometheus/client_golang v1.11.0
 	github.com/robfig/cron v1.2.0
 	github.com/sirupsen/logrus v1.8.1
 	github.com/spf13/cobra v1.2.1
 	github.com/spf13/pflag v1.0.5
 	github.com/spf13/viper v1.8.1
 	github.com/texttheater/golang-levenshtein v0.0.0-20191208221605-eb6844b05fc6
-	github.com/ulikunitz/xz v0.5.10 // indirect
 	go.uber.org/automaxprocs v1.4.0
 	go.uber.org/goleak v1.1.12
 	go.uber.org/zap v1.19.1
@@ -47,7 +40,6 @@ require (
 	golang.org/x/tools v0.1.9
 	gomodules.xyz/jsonpatch/v2 v2.2.0
 	gonum.org/v1/gonum v0.8.2
-	google.golang.org/genproto v0.0.0-20220107163113-42d7afdf6368 // indirect
 	gopkg.in/yaml.v2 v2.4.0
 	istio.io/api v0.0.0-20211118170605-3f0f902cdfd1
 	istio.io/client-go v1.12.0
@@ -75,6 +67,116 @@ require (
 	sigs.k8s.io/yaml v1.3.0
 )
 
+require (
+	github.com/BurntSushi/toml v0.3.1 // indirect
+	github.com/Masterminds/goutils v1.1.1 // indirect
+	github.com/NYTimes/gziphandler v1.1.1 // indirect
+	github.com/PuerkitoBio/purell v1.1.1 // indirect
+	github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 // indirect
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/blang/semver v3.5.1+incompatible // indirect
+	github.com/census-instrumentation/opencensus-proto v0.2.1 // indirect
+	github.com/cespare/xxhash/v2 v2.1.1 // indirect
+	github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403 // indirect
+	github.com/coreos/go-semver v0.3.0 // indirect
+	github.com/cyphar/filepath-securejoin v0.2.2 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/dsnet/compress v0.0.1 // indirect
+	github.com/emicklei/go-restful v2.9.6+incompatible // indirect
+	github.com/envoyproxy/protoc-gen-validate v0.1.0 // indirect
+	github.com/evanphx/json-patch v4.12.0+incompatible // indirect
+	github.com/fatih/color v1.12.0 // indirect
+	github.com/felixge/httpsnoop v1.0.1 // indirect
+	github.com/frankban/quicktest v1.13.1 // indirect
+	github.com/fsnotify/fsnotify v1.5.1 // indirect
+	github.com/go-logr/zapr v1.2.0 // indirect
+	github.com/go-openapi/jsonpointer v0.19.5 // indirect
+	github.com/go-openapi/jsonreference v0.19.5 // indirect
+	github.com/go-openapi/swag v0.19.14 // indirect
+	github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 // indirect
+	github.com/gobuffalo/flect v0.2.3 // indirect
+	github.com/gobwas/glob v0.2.3 // indirect
+	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/golang/snappy v0.0.4 // indirect
+	github.com/google/go-cmp v0.5.6 // indirect
+	github.com/google/gofuzz v1.1.0 // indirect
+	github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38 // indirect
+	github.com/google/uuid v1.1.2 // indirect
+	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway v1.16.0 // indirect
+	github.com/hashicorp/errwrap v1.0.0 // indirect
+	github.com/hashicorp/hcl v1.0.0 // indirect
+	github.com/huandu/xstrings v1.3.2 // indirect
+	github.com/imdario/mergo v0.3.12 // indirect
+	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/josharian/intern v1.0.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/magiconair/properties v1.8.5 // indirect
+	github.com/mailru/easyjson v0.7.6 // indirect
+	github.com/mattn/go-colorable v0.1.8 // indirect
+	github.com/mattn/go-isatty v0.0.12 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369 // indirect
+	github.com/mitchellh/copystructure v1.2.0 // indirect
+	github.com/mitchellh/mapstructure v1.4.1 // indirect
+	github.com/mitchellh/reflectwalk v1.0.2 // indirect
+	github.com/moby/spdystream v0.2.0 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/nwaples/rardecode v1.1.2 // indirect
+	github.com/pelletier/go-toml v1.9.3 // indirect
+	github.com/pierrec/lz4 v2.6.1+incompatible // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/prometheus/client_model v0.2.0 // indirect
+	github.com/prometheus/common v0.28.0 // indirect
+	github.com/prometheus/procfs v0.6.0 // indirect
+	github.com/russross/blackfriday/v2 v2.0.1 // indirect
+	github.com/shurcooL/sanitized_anchor_name v1.0.0 // indirect
+	github.com/spf13/afero v1.6.0 // indirect
+	github.com/spf13/cast v1.3.1 // indirect
+	github.com/spf13/jwalterweatherman v1.1.0 // indirect
+	github.com/subosito/gotenv v1.2.0 // indirect
+	github.com/ulikunitz/xz v0.5.10 // indirect
+	github.com/xi2/xz v0.0.0-20171230120015-48954b6210f8 // indirect
+	go.etcd.io/etcd/api/v3 v3.5.0 // indirect
+	go.etcd.io/etcd/client/pkg/v3 v3.5.0 // indirect
+	go.etcd.io/etcd/client/v3 v3.5.0 // indirect
+	go.opentelemetry.io/contrib v0.20.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.20.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.20.0 // indirect
+	go.opentelemetry.io/otel v0.20.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp v0.20.0 // indirect
+	go.opentelemetry.io/otel/metric v0.20.0 // indirect
+	go.opentelemetry.io/otel/sdk v0.20.0 // indirect
+	go.opentelemetry.io/otel/sdk/export/metric v0.20.0 // indirect
+	go.opentelemetry.io/otel/sdk/metric v0.20.0 // indirect
+	go.opentelemetry.io/otel/trace v0.20.0 // indirect
+	go.opentelemetry.io/proto/otlp v0.7.0 // indirect
+	go.uber.org/atomic v1.7.0 // indirect
+	go.uber.org/multierr v1.6.0 // indirect
+	golang.org/x/mod v0.5.1 // indirect
+	golang.org/x/net v0.0.0-20211209124913-491a49abca63 // indirect
+	golang.org/x/oauth2 v0.0.0-20210819190943-2bc19b11175f // indirect
+	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
+	golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e // indirect
+	golang.org/x/term v0.0.0-20210615171337-6886f2dfbf5b // indirect
+	golang.org/x/text v0.3.7 // indirect
+	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
+	google.golang.org/appengine v1.6.7 // indirect
+	google.golang.org/genproto v0.0.0-20220107163113-42d7afdf6368 // indirect
+	google.golang.org/grpc v1.40.0 // indirect
+	google.golang.org/protobuf v1.27.1 // indirect
+	gopkg.in/inf.v0 v0.9.1 // indirect
+	gopkg.in/ini.v1 v1.62.0 // indirect
+	gopkg.in/natefinch/lumberjack.v2 v2.0.0 // indirect
+	istio.io/gogo-genproto v0.0.0-20210113155706-4daf5697332f // indirect
+	k8s.io/gengo v0.0.0-20210813121822-485abfe95c7c // indirect
+	sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.0.27 // indirect
+	sigs.k8s.io/json v0.0.0-20211020170558-c049b76a60c6 // indirect
+	sigs.k8s.io/structured-merge-diff/v4 v4.2.1 // indirect
+)
+
 replace (
 	github.com/emicklei/go-restful => github.com/emicklei/go-restful v2.9.5+incompatible // keep this value in sync with k8s.io/apiserver
 	github.com/envoyproxy/go-control-plane => github.com/envoyproxy/go-control-plane v0.9.4