[submodule] Update submodule sonic-host-services to the latest HEAD automatically (#15992)

#### Why I did it
src/sonic-host-services
```
* 6767bc7 - (HEAD -> master, origin/master, origin/HEAD) [FeatureD] Move the Feature related config from Hostcfgd into a new daemon (#71) (6 days ago) [Vivek]
```
#### How I did it
#### How to verify it
#### Description for the changelog

Author: mssonicbld