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

…utomatically (#20022)

#### Why I did it
src/sonic-host-services
```
* e21db16 - (HEAD -> master, origin/master, origin/HEAD) [BFD]Fix BFD blackout issue (#150) (26 hours ago) [Sudharsan Dhamal Gopalarathnam]
* 39834f2 - Password Hardening: Add support to disable expiration date (#93) (4 days ago) [davidpil2002]
```
#### How I did it
#### How to verify it
#### Description for the changelog