Fix missing branch name in CI

* Update workflow.yml

Author: pashidlos

.github/workflows/workflow.yml

@@ -24,5 +24,5 @@ jobs:
           VRT_PROJECT: "VRT"
           VRT_ENABLESOFTASSERT: false
           VRT_APIKEY: ${{ secrets.VRT_API_KEY }}
-          VRT_BRANCHNAME: ${{ steps.get-branch-name.outputs.branch_name }}
+          VRT_BRANCHNAME: ${{ github.head_ref || steps.get-branch-name.outputs.branch_name }}
           VRT_CIBUILDID: "Github run_id:  ${{ github.run_id }}"