promote feature gate to beta

Author: HirazawaUi

pkg/features/versioned_kube_features.go

@@ -595,6 +595,7 @@ var defaultVersionedKubernetesFeatureGates = map[featuregate.Feature]featuregate
 
 	RelaxedEnvironmentVariableValidation: {
 		{Version: version.MustParse("1.30"), Default: false, PreRelease: featuregate.Alpha},
+		{Version: version.MustParse("1.32"), Default: true, PreRelease: featuregate.Beta},
 	},
 
 	ReloadKubeletServerCertificateFile: {

test/featuregates_linter/test_data/versioned_feature_list.yaml

@@ -926,6 +926,10 @@
     lockToDefault: false
     preRelease: Alpha
     version: "1.30"
+  - default: true
+    lockToDefault: false
+    preRelease: Beta
+    version: "1.32"
 - name: ReloadKubeletServerCertificateFile
   versionedSpecs:
   - default: true