Found errors in your .gitlab-ci.yml:

• osdu_gcp_deploy_composer_anthos_env job: chosen stage does not exist; available stages are .pre, linters, unit_tests, test_dags, build, containerize, bootstrap_dag, publish_dag, deploy, bootstrap, end_to_end_postman_tests, .post

You can also test your .gitlab-ci.yml in CI Lint