[submodule] Update submodule linkmgrd to the latest HEAD automatically (#15885)

mssonicbld · web-flow · commit c8ea7d26f390 · 2023-07-20T04:33:02.000+08:00
#### Why I did it src/linkmgrd ``` * 6e5cfda - (HEAD -> master, origin/master, origin/HEAD) Change common_libs dependencies from buster to bullseye (#212) (2 days ago) [Ze Gan] ``` #### How I did it #### How to verify it #### Description for the changelog
diff --git a/src/linkmgrd b/src/linkmgrd
@@ -1 +1 @@
-Subproject commit 4bda49bd71acccb644293da662a9ac937ddd6e7a
+Subproject commit 6e5cfda8874735e50c935e5f49268b3ae3be30dc
