[submodule] Update submodule sonic-swss to the latest HEAD automatically (#17048)

#### Why I did it
src/sonic-swss
```
* 917c21e0 - (HEAD -> master, origin/master, origin/HEAD) Add more debug information when PFC WD is triggered (#2858) (10 hours ago) [Stephen Sun]
```
#### How I did it
#### How to verify it
#### Description for the changelog
This commit is contained in:
mssonicbld 2023-11-01 10:37:01 +08:00 committed by GitHub
parent ca15c6ff93
commit 3bacbc94ad
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@ -1 +1 @@
Subproject commit a9867e67c36932312ea5696ccf9a65874e71a64b
Subproject commit 917c21e0199f3897479f70827333841cecc3d8b3