[submodule] Update submodule sonic-utilities to the latest HEAD autom…

…atically (sonic-net#19803)

#### Why I did it
src/sonic-utilities
```
* f50587a1 - (HEAD -> master, origin/master, origin/HEAD) Update README.md (sonic-net#3406) (5 hours ago) [Changrong Wu]
```
#### How I did it
#### How to verify it
#### Description for the changelog