[submodule] Update submodule sonic-dbsyncd to the latest HEAD automatically (#17207)

#### Why I did it
src/sonic-dbsyncd
```
* e294eb0 - (HEAD -> master, origin/master, origin/HEAD) Update the code coverage rate to 80% (#63) (16 hours ago) [xumia]
```
#### How I did it
#### How to verify it
#### Description for the changelog

Author: mssonicbld