feat(azure): add after script for azure_copy_dag stage v.3

9 jobs for feature/azure-gitlab-pipeline in 9 minutes and 2 seconds
Name Stage Failure
azure_dag_postman_tests End To End Postman Tests
  File "/usr/local/lib/python3.8/site-packages/requests/sessions.py", line 456, in prepare_request
File "/usr/local/lib/python3.8/site-packages/requests/models.py", line 316, in prepare
self.prepare_url(url, params)
File "/usr/local/lib/python3.8/site-packages/requests/models.py", line 390, in prepare_url
raise MissingSchema(error)
requests.exceptions.MissingSchema: Invalid URL '$AZURE_POSTMAN_ENVIRONMENT_FILE_URL': No schema supplied. Perhaps you meant http://$AZURE_POSTMAN_ENVIRONMENT_FILE_URL?
Cleaning up file based variables
ERROR: Job failed: exit code 1