Fixes action template

Author: ferreteleco

{{ cookiecutter.__github_folder }}/_/python/workflows/ci-tests-python.yml

@@ -46,7 +46,7 @@ jobs:
 
       - name: Setup (composite)
         id: tests-setup
-        uses: ./.github/workflows/ci-setup-python.yml
+        uses: ./.github/workflows/ci-setup-python
         with:
           python_version: {{ '${{ env.TARGET_PYTHON_VERSION }}' }}