Update to golang 1.17

Signed-off-by: Christoph Stäbler <cstabler@redhat.com>

.github/workflows/check.yaml

@@ -1,7 +1,7 @@
 name: checks
 on: [push, pull_request]
 env:
-  GO_VERSION: 1.16
+  GO_VERSION: 1.17
 jobs:
   lint:
     name: lint

api/go.mod

@@ -1,17 +1,36 @@
 module github.com/nmstate/kubernetes-nmstate/api
 
-go 1.16
+go 1.17
 
 require (
-	github.com/google/go-cmp v0.5.6 // indirect
 	github.com/onsi/ginkgo v1.16.4
 	github.com/onsi/gomega v1.15.0
-	golang.org/x/sys v0.0.0-20211013075003-97ac67df715c // indirect
-	golang.org/x/tools v0.1.7 // indirect
-	google.golang.org/protobuf v1.27.1 // indirect
-	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 	k8s.io/api v0.22.3
 	k8s.io/apimachinery v0.22.3
 	sigs.k8s.io/controller-runtime v0.10.3
 	sigs.k8s.io/yaml v1.3.0
 )
+
+require (
+	github.com/fsnotify/fsnotify v1.4.9 // indirect
+	github.com/go-logr/logr v0.4.0 // indirect
+	github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/google/go-cmp v0.5.6 // indirect
+	github.com/google/gofuzz v1.1.0 // indirect
+	github.com/json-iterator/go v1.1.11 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.1 // indirect
+	github.com/nxadm/tail v1.4.8 // indirect
+	golang.org/x/net v0.0.0-20210805182204-aaa1db679c0d // indirect
+	golang.org/x/sys v0.0.0-20211013075003-97ac67df715c // indirect
+	golang.org/x/text v0.3.6 // indirect
+	golang.org/x/tools v0.1.7 // indirect
+	google.golang.org/protobuf v1.27.1 // indirect
+	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
+	gopkg.in/inf.v0 v0.9.1 // indirect
+	gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	k8s.io/klog/v2 v2.9.0 // indirect
+	sigs.k8s.io/structured-merge-diff/v4 v4.1.2 // indirect
+)

api/tools.go

@@ -1,3 +1,4 @@
+//go:build tools
 // +build tools
 
 package tools