[submodule] Update submodule sonic-host-services to the latest HEAD a…

…utomatically (sonic-net#19921)

#### Why I did it
src/sonic-host-services
```
* b0a294b - (HEAD -> 202305, origin/202305) Added a try block to prevent JSON decoder errors (sonic-net#126) (28 hours ago) [Ashwin Srinivasan]
```
#### How I did it
#### How to verify it
#### Description for the changelog