.configuration_template job helper inherits `.job-defaults` to use some...

.configuration_template job helper inherits `.job-defaults` to use some default job settings like timeout and artifact expiration times.

templates/python_projects.gitlab-ci.yml

@@ -17,6 +17,7 @@ variables:
 
 
 .configuration_template:
+  extends: .job-defaults
   image: "${PYTHON_IMAGE}"
   before_script:
     - poetry env use python3  # create virtualenv if not exists