feat(submodule_update_trigger): only update own submodule

now the trigger job passes the name of the repo, which should match the
module name. this then updates that submodule only.

!41 nofusscomputing/projects/ansible/git_configuration#16 nofusscomputing/projects/ansible/git_configuration!60

automation/.gitlab-ci-ansible.yaml

@@ -60,6 +60,7 @@ include:
       yaml_variables: false
   variables:
     PIPELINE_RUN_TRIGGER: 'true'
+    GIT_CONFIG_SUBMODULE_NAME: $CI_PROJECT_NAME
   rules:
     - if: $CI_COMMIT_TAG
       when: never