Merge pull request #49866 from AkihiroSuda/rro-1.33

KEP-3857: Recursive Read-only (RRO) mounts: promote to GA

Author: k8s-ci-robot

content/en/docs/reference/command-line-tools-reference/feature-gates/RecursiveReadOnlyMounts.md

@@ -13,6 +13,10 @@ stages:
   - stage: beta
     defaultValue: true
     fromVersion: "1.31"
+    toVersion: "1.32"
+  - stage: stable
+    defaultValue: true
+    fromVersion: "1.33"
 ---
 Enables support for recursive read-only mounts.
 For more details, see [read-only mounts](/docs/concepts/storage/volumes/#read-only-mounts).