ci: run TF from the PR

Signed-off-by: Matej Focko <[email protected]>

Author: mfocko

.github/workflows/tf-tests.yml

@@ -17,7 +17,7 @@ jobs:
           compose: CentOS-Stream-9
           api_key: ${{ secrets.TF_API_KEY }}
           git_url: "https://github.com/packit/deployment"
-          git_ref: "tf-openshift-tests"
+          git_ref: ${{ github.event.pull_request.head.sha }}
           tmt_plan_regex: "deployment/remote"
           tmt_hardware: '{"memory": ">= 13 GiB", "disk": [{"size": ">= 100 GB"}], "cpu": {"cores": ">= 6"}, "virtualization": {"is-supported": true}}'
           pull_request_status_name: "Deployment"