[submodule] Update submodule sonic-swss to the latest HEAD automatically (#23003)

#### Why I did it
src/sonic-swss
```
* bc1a9bce - (HEAD -> 202505, origin/202505) Merge pull request #3706 from prabhataravind/paravind/202505 (4 days ago) [Jianquan Ye]
|\ 
| failure_prs.log skip_prs.log d89b4801 - Add more mock tests for coverage (5 days ago) [Prabhat Aravind]
| failure_prs.log skip_prs.log a181b5d9 - Orchagent SAI error handling improvements (5 days ago) [Prabhat Aravind]
|/ 
* 50048e78 - Changes to unblock swss pipeline tests (#3708) (5 days ago) [prabhataravind]
* 7e15cce2 - Install symlink to Python 3 to work around AzP diff coverage issue (#3710) (6 days ago) [mssonicbld]
* fd336545 - [ci]: Skip publishing of asan vstest summary (#3711) (6 days ago) [mssonicbld]
* 1ea80065 - [build] Support optionally using other container registries instead of DockerHub (#3709) (6 days ago) [mssonicbld]
```
#### How I did it
#### How to verify it
#### Description for the changelog

Author: mssonicbld