[submodule] Update submodule linkmgrd to the latest HEAD automatically (#23888)

mssonicbld · web-flow · commit cc91ae6a188b · 2025-09-03T19:11:55.000+08:00
#### Why I did it src/linkmgrd ``` * afa62a6 - (HEAD -> 202505, origin/202505) Fix mux port `uninitialized` (Azure#311) (3 hours ago) [mssonicbld] ``` #### How I did it #### How to verify it #### Description for the changelog
diff --git a/src/linkmgrd b/src/linkmgrd
@@ -1 +1 @@
-Subproject commit b940b41509e8f3927f58d659b9b9363610e01fe1
+Subproject commit afa62a634d5a581e53fb2e2df757e91266f555da
