Update submodule for sonic-pins to be aligned to following swss PRs
*New P4Orch development. sonic-swss#2425
*Upstream new development on p4orch sonic-swss#2237
#### Why I did it
To pick up new commits:
* 60d2467 Add depends to p4rt debian package
#### How I did it
update sonic-p4rt/sonic-pins submodule pointer
#### How to verify it
should be able to build with p4rt enabled.
- Add INCLUDE_PINS to config to enable/disable container
- Add Docker files and supporting resources
- Add sonic-pins submodule and associated make files
Submission containing materials of a third party:
Copyright Google LLC; Licensed under Apache 2.0
#### Why I did it
Adds P4RT container to SONiC for PINS
The P4RT app is covered by this HLD:
https://github.com/pins/SONiC/blob/master/doc/pins/p4rt_app_hld.md
#### How I did it
Followed the pattern and templates used for other SONiC applications
#### How to verify it
Build SONiC with INCLUDE_P4RT set to "y".
Verify that the resulting build has a container called "p4rt" running.
You can verify that the service is up by running the following command on the SONiC switch:
```bash
sudo netstat -lpnt | grep p4rt
```
You should see the service listening on TCP port 9559.
#### Which release branch to backport (provide reason below if selected)
None
#### Description for the changelog
Build P4RT container for PINS
