[zh-cn]sync recursive-read-only-mounts.md

Signed-off-by: xin.li <[email protected]>

Author: my-git9

content/zh-cn/docs/reference/command-line-tools-reference/feature-gates/recursive-read-only-mounts.md

@@ -9,6 +9,10 @@ stages:
   - stage: alpha
     defaultValue: false
     fromVersion: "1.30"
+    toVersion: "1.30"
+  - stage: beta
+    defaultValue: true
+    fromVersion: "1.31"
 ---
 
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