[submodule] Update submodule sonic-utilities to the latest HEAD automatically (#16005)

#### Why I did it
src/sonic-utilities
```
* a56b11b6 - (HEAD -> master, origin/master, origin/HEAD) revert unit test tests/test_clear_tag (#2934) (10 hours ago) [Mai Bui]
```
#### How I did it
#### How to verify it
#### Description for the changelog
This commit is contained in:
mssonicbld 2023-08-01 16:32:29 +08:00 committed by GitHub
parent dda6bd11f2
commit 70c1bdf5f1
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23

@ -1 +1 @@
Subproject commit 5ae17ff067b3dbcb56815a8fbdbce10c8a99e4ae Subproject commit a56b11b6d0751a56c49d591560f31a8173170707