fix: only update k8s version in go-v4

Author: yyy1000

pkg/plugins/golang/v3/commons.go

@@ -79,7 +79,7 @@ manifests: controller-gen`
 		}
 
 		if err := util.ReplaceInFile("Makefile",
-			"ENVTEST_K8S_VERSION = 1.27.1",
+			"ENVTEST_K8S_VERSION = 1.26.1",
 			"ENVTEST_K8S_VERSION = 1.21"); err != nil {
 			log.Warnf("unable to update the Makefile with %s: %s", "ENVTEST_K8S_VERSION = 1.21", err)
 		}

pkg/plugins/golang/v3/scaffolds/internal/templates/makefile.go

@@ -62,7 +62,7 @@ const makefileTemplate = `
 # Image URL to use all building/pushing image targets
 IMG ?= {{ .Image }}
 # ENVTEST_K8S_VERSION refers to the version of kubebuilder assets to be downloaded by envtest binary.
-ENVTEST_K8S_VERSION = 1.27.1
+ENVTEST_K8S_VERSION = 1.26.1
 
 # Get the currently used golang install path (in GOPATH/bin, unless GOBIN is set)
 ifeq (,$(shell go env GOBIN))

testdata/project-v3/Makefile

@@ -2,7 +2,7 @@
 # Image URL to use all building/pushing image targets
 IMG ?= controller:latest
 # ENVTEST_K8S_VERSION refers to the version of kubebuilder assets to be downloaded by envtest binary.
-ENVTEST_K8S_VERSION = 1.27.1
+ENVTEST_K8S_VERSION = 1.26.1
 
 # Get the currently used golang install path (in GOPATH/bin, unless GOBIN is set)
 ifeq (,$(shell go env GOBIN))