[submodule] Update submodule sonic-utilities to the latest HEAD automatically (#18049)

#### Why I did it
src/sonic-utilities
```
* b5487357 - (HEAD -> master, origin/master, origin/HEAD) [route_check.py] account static routes in route_check.py (#3120) (9 hours ago) [Stepan Blyshchak]
* 64e1f9f4 - [Mellanox buffer migrator] Do not touch the buffer model on generic SKUs if the buffer configuration is empty (#3114) (19 hours ago) [Stephen Sun]
```
#### How I did it
#### How to verify it
#### Description for the changelog
This commit is contained in:
mssonicbld
2024-02-06 16:32:18 +08:00
committed by GitHub
parent ea02734b8d
commit 3d9cf77c26