Fix use of versioned github action

action.yml

@@ -38,9 +38,11 @@ runs:
     # https://github.com/actions/setup-python/issues/361
     - name: Generate .git/ansible-lint-requirements.txt
       shell: bash
+      env:
+        GH_ACTION_REF: ${{ github.action_ref || 'main' }}
       working-directory: ${{ steps.inputs.outputs.working_directory }}
       run: |
-        wget --output-document=.git/ansible-lint-requirements.txt https://raw.githubusercontent.com/ansible/ansible-lint/${{ github.action_ref || 'main' }}/.config/requirements-lock.txt
+        wget --output-document=.git/ansible-lint-requirements.txt https://raw.githubusercontent.com/ansible/ansible-lint/$GH_ACTION_REF/.config/requirements-lock.txt
 
     - name: Set up Python
       if: inputs.setup_python == 'true'
@@ -52,13 +54,15 @@ runs:
 
     - name: Install ansible-lint
       shell: bash
+      env:
+        GH_ACTION_REF: ${{ github.action_ref || 'main' }}
       # We need to set the version manually because $GITHUB_ACTION_PATH is not
       # a git clone and setuptools-scm would not be able to determine the version.
       # git+https://github.com/ansible/ansible-lint@${{ github.action_ref || 'main' }}
       # SETUPTOOLS_SCM_PRETEND_VERSION=${{ github.action_ref || 'main' }}
       run: |
         cd $GITHUB_ACTION_PATH
-        pip install "ansible-lint[lock] @ git+https://github.com/ansible/ansible-lint@${{ github.action_ref || 'main' }}"
+        pip install "ansible-lint[lock] @ git+https://github.com/ansible/ansible-lint@$GH_ACTION_REF"
         ansible-lint --version
 
     - name: Run ansible-lint