[submodule] Update submodule sonic-swss to the latest HEAD automatically (#24877)

mssonicbld · web-flow · commit cc2db88e3e21 · 2025-12-18T00:33:06.000+08:00
#### Why I did it src/sonic-swss ``` * 3a9f9e4 - (HEAD -> master, origin/master, origin/HEAD) [Dash] Deprecate traditional Flex Counter support (#3954) (7 hours ago) [Vivek] ``` #### How I did it #### How to verify it #### Description for the changelog
diff --git a/src/sonic-swss b/src/sonic-swss
@@ -1 +1 @@
-Subproject commit f1225cd05d75b25a89f1fc2f50bc6a447ff331d1
+Subproject commit 3a9f9e43bd71d958a46115cfbdf1dd2ba683ab7b
