Promote v1alpha1 meta to v1beta1

No code changes, just renames

hack/.golint_failures

@@ -504,7 +504,7 @@ staging/src/k8s.io/apimachinery/pkg/apis/meta/fuzzer
 staging/src/k8s.io/apimachinery/pkg/apis/meta/internalversion
 staging/src/k8s.io/apimachinery/pkg/apis/meta/v1/unstructured
 staging/src/k8s.io/apimachinery/pkg/apis/meta/v1/validation
-staging/src/k8s.io/apimachinery/pkg/apis/meta/v1alpha1
+staging/src/k8s.io/apimachinery/pkg/apis/meta/v1beta1
 staging/src/k8s.io/apimachinery/pkg/apis/testapigroup
 staging/src/k8s.io/apimachinery/pkg/apis/testapigroup/v1
 staging/src/k8s.io/apimachinery/pkg/conversion

hack/lib/util.sh

@@ -277,11 +277,11 @@ kube::util::group-version-to-pkg-path() {
     meta/v1)
       echo "../vendor/k8s.io/apimachinery/pkg/apis/meta/v1"
       ;;
-    meta/v1alpha1)
-      echo "vendor/k8s.io/apimachinery/pkg/apis/meta/v1alpha1"
+    meta/v1beta1)
+      echo "vendor/k8s.io/apimachinery/pkg/apis/meta/v1beta1"
       ;;
-    meta/v1alpha1)
-      echo "../vendor/k8s.io/apimachinery/pkg/apis/meta/v1alpha1"
+    meta/v1beta1)
+      echo "../vendor/k8s.io/apimachinery/pkg/apis/meta/v1beta1"
       ;;
     unversioned)
       echo "pkg/api/unversioned"

hack/update-generated-swagger-docs.sh

@@ -29,7 +29,7 @@ source "${KUBE_ROOT}/hack/lib/swagger.sh"
 
 kube::golang::setup_env
 
-GROUP_VERSIONS=(meta/v1 meta/v1alpha1 ${KUBE_AVAILABLE_GROUP_VERSIONS})
+GROUP_VERSIONS=(meta/v1 meta/v1beta1 ${KUBE_AVAILABLE_GROUP_VERSIONS})
 
 # To avoid compile errors, remove the currently existing files.
 for group_version in "${GROUP_VERSIONS[@]}"; do