[submodule] Update submodule sonic-swss to the latest HEAD automatica…

…lly (#17501)

#### Why I did it
src/sonic-swss
```
* ff524e6d - (HEAD -> master, origin/master, origin/HEAD) [dash] add a retry for an ACL rule creation if a tag is not created yet (#2972) (7 hours ago) [Yakiv Huryk]
* 620db3da - [ci] Allow partially success build artifact in PR checker pipeline. #2986 (3 days ago) [Liu Shilong]
* d357e6f1 - [copporch] Add safeguard during policer attribute update (#2977) (4 days ago) [Vivek]
* cb460394 - [fpmsyncd][WR] Relax the static schema constraint for ROUTE_TABLE (#2981) (5 days ago) [Vivek]
* a1ce21f6 - Change base directory referenced in coverage.xml (#2976) (6 days ago) [Lawrence Lee]
* 920959cf - [Dash] [UT] Add ZMQ test case for dash (#2967) (6 days ago) [Hua Liu]
```
#### How I did it
#### How to verify it
#### Description for the changelog