[submodule] Update submodule sonic-swss to the latest HEAD automatically (#18096)

#### Why I did it
src/sonic-swss
```
* 1221eae4 - (HEAD -> master, origin/master, origin/HEAD) Explicitly initialize two local variables to 0 (#3046) (26 hours ago) [Saikrishna Arcot]
```
#### How I did it
#### How to verify it
#### Description for the changelog
This commit is contained in:
mssonicbld 2024-02-15 16:32:54 +08:00 committed by GitHub
parent ca258a260e
commit 0b73937ec5
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@ -1 +1 @@
Subproject commit b3b6a8384aa2cfc2e6cb1c08312af1cbeac5c0c5
Subproject commit 1221eae41788176b5de0db3e869006ff22d2d4ff