add branch name

Author: timidri

.github/workflows/test-install-latest-xlarge-dev-nightly.yaml

@@ -103,7 +103,7 @@ jobs:
           echo ::endgroup::
 
       - name: 'Activate twingate to obtain unreleased build'
-        uses: timidri/twingate-github-action
+        uses: timidri/twingate-github-action@main
         with:
           service-key: ${{ secrets.TWINGATE_PUBLIC_REPO_KEY }}