Fix syntax

Author: clalarco

.github/workflows/test-python-install.yml

@@ -32,7 +32,7 @@ jobs:
         pip install ${{ env.python-test-package }}
 
     - name: Test Action usage
-      uses: ${{ github.repository }}@${{ env.BRANCH_NAME }}
+      uses: "${{ github.repository }}@${{ github.ref_name }}"
       with:
         python-root-list: "./tests/*.py ./tests/subtest/*.py"
         use-black: true