[submodule] Update submodule linkmgrd to the latest HEAD automatically

mssonicbld · mssonicbld · commit 86b4e4287a31 · 2024-08-07T03:01:56.000Z
diff --git a/src/linkmgrd b/src/linkmgrd
@@ -1 +1 @@
-Subproject commit 7706c2c476076dc7f6f35e3d8a7957295658a53d
+Subproject commit b068f0253bb9991905629650bc70f9110540c147
