[submodule] Update submodule sonic-swss-common to the latest HEAD automatically (sonic-net#20221)

#### Why I did it
src/sonic-swss-common
```
* e271c9b - (HEAD -> master, origin/master, origin/HEAD) [DASH] Add support for ENI Counters (sonic-net#904) (5 hours ago) [Vivek]
* a76b983 - run DASH vs tests (sonic-net#913) (29 hours ago) [Lawrence Lee]
```
#### How I did it
#### How to verify it
#### Description for the changelog

Author: mssonicbld