build: support go1.22

This fixes panic on go1.22, see kubernetes-sigs/controller-tools#880
and golang/go#65637

Since `go get sigs.k8s.io/controller-tools` updates transitive Kubernetes dependencies
this change removes it from dependencies in favor of fixed version in the Makefile.

Signed-off-by: Alexander Yastrebov <alexander.yastrebov@zalando.de>

Makefile

@@ -31,7 +31,7 @@ $(GENERATED): $(CRD_TYPE_SOURCE)
 	bash -x ./hack/update-codegen.sh
 
 $(GENERATED_CRD): go.mod $(GENERATED)
-	go run sigs.k8s.io/controller-tools/cmd/controller-gen crd:crdVersions=v1 paths=./apis/... output:crd:dir=.
+	go run sigs.k8s.io/controller-tools/cmd/controller-gen@v0.14.0 crd:crdVersions=v1 paths=./apis/... output:crd:dir=.
 	# workaround to add pattern to array items. Not supported by controller-gen
 	# ref: https://github.com/kubernetes-sigs/controller-tools/issues/342
 	perl -i -p0e 's|(\s*)(hosts:.*?items:)|$$1$$2$$1    pattern: "^[a-z0-9]([-a-z0-9]*[a-z0-9])?([.][a-z0-9]([-a-z0-9]*[a-z0-9])?)*\$$"|sg' $(GENERATED_CRD)

apis/zalando.org/v1/types.go

@@ -175,7 +175,7 @@ type RouteGroupRouteSpec struct {
 // +k8s:deepcopy-gen=true
 type RouteGroupTLSSpec struct {
 	// TLS hosts specify the list of hosts included in the TLS secret.
-	// The values in this list must match the host name(s) used for 
+	// The values in this list must match the host name(s) used for
 	// the RouteGroup in order to terminate TLS for the host(s).
 	// +kubebuilder:validation:MinItems=1
 	Hosts []string `json:"hosts"`

go.mod

@@ -4,8 +4,9 @@ go 1.15
 
 require (
 	github.com/davecgh/go-spew v1.1.1
+	github.com/onsi/ginkgo v1.16.5 // indirect
 	k8s.io/apimachinery v0.25.16
 	k8s.io/client-go v0.25.16
 	k8s.io/code-generator v0.25.16
-	sigs.k8s.io/controller-tools v0.10.0
+	sigs.k8s.io/yaml v1.3.0 // indirect
 )