[submodule] Update submodule sonic-py-swsssdk to the latest HEAD automatically (#24643)

#### Why I did it
src/sonic-py-swsssdk
```
* 2107e8a - (HEAD -> master, origin/master, origin/HEAD) Automated agent pool migration (#150) (32 minutes ago) [yijingyan2]
```
#### How I did it
#### How to verify it
#### Description for the changelog

Author: mssonicbld