[submodule] Update submodule sonic-mgmt-framework to the latest HEAD …

…automatically (sonic-net#16792)

#### Why I did it
src/sonic-mgmt-framework
```
* dfac87c - (HEAD -> master, origin/master, origin/HEAD) Query parameters enhancements in rest-server.  (sonic-net#119) (5 weeks ago) [ranjinidn]
```
#### How I did it
#### How to verify it
#### Description for the changelog