[submodule] Update submodule sonic-swss to the latest HEAD automatically (#17725)

#### Why I did it
src/sonic-swss
```
* 7702b8a2 - (HEAD -> master, origin/master, origin/HEAD) Add host_tx_ready enhancements (#2930) (10 hours ago) [noaOrMlnx]
```
#### How I did it
#### How to verify it
#### Description for the changelog
This commit is contained in:
mssonicbld 2024-01-10 16:34:17 +08:00 committed by GitHub
parent 5e3fb7df8b
commit 8d1a0ddf0b
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@ -1 +1 @@
Subproject commit a0c20c38abdae525aa59cd4abf89a06df911261e
Subproject commit 7702b8a2fb6306cfb61ea970b4498ce8534f0abb