doc: mark sync module hooks as release candidate

Author: joyeecheung

doc/api/module.md

@@ -585,6 +585,10 @@ added: v22.8.0
 <!-- YAML
 added: v8.8.0
 changes:
+  - version:
+    - REPLACEME
+    pr-url: https://github.com/nodejs/node/pull/60960
+    description: Synchronous and in-thread hooks are now release candidate.
   - version:
     - v23.5.0
     - v22.15.0
@@ -624,7 +628,7 @@ for simplicity.
 
 ### Synchronous customization hooks
 
-> Stability: 1.1 - Active Development
+> Stability: 1.2 - Release Candidate
 
 <i id="enabling_module_customization_hooks"></i>