doc: stabilize --disable-warning

Signed-off-by: Jean <jean.antoine.michelet@gmail.com>
PR-URL: https://github.com/nodejs/node/pull/64742
Reviewed-By: Aviv Keller <me@aviv.sh>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Ethan Arrowood <ethan@arrowood.dev>

doc/api/cli.md

@@ -731,9 +731,13 @@ Disable the ability of starting a debugging session by sending a
 added:
   - v21.3.0
   - v20.11.0
+changes:
+  - version: REPLACEME
+    pr-url: https://github.com/nodejs/node/pull/64742
+    description: The `--disable-warning` flag is now stable.
 -->
 
-> Stability: 1.1 - Active development
+> Stability: 2 - Stable
 
 Disable specific process warnings by `code` or `type`.