[submodule] Update submodule sonic-swss to the latest HEAD automatically (#18070)

#### Why I did it
src/sonic-swss
```
* b3b6a838 - (HEAD -> master, origin/master, origin/HEAD) [test_mux] Multi-mux-nh full test coverage (#3028) (25 minutes ago) [Nikola Dancejic]
* 3bd01444 - Bfd support for TSA state. (#2926) (6 hours ago) [siqbal1986]
```
#### How I did it
#### How to verify it
#### Description for the changelog
This commit is contained in:
mssonicbld 2024-02-08 16:32:42 +08:00 committed by GitHub
parent f49711f246
commit bd4bf76163
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194

@ -1 +1 @@
Subproject commit b18cbac601bac8d19a575c97409de7070055e91c
Subproject commit b3b6a8384aa2cfc2e6cb1c08312af1cbeac5c0c5