Merge branch 'run-single-ci-pipeline' into 'develop'

ci: run a single GitLab CI pipeline per commit

See merge request asapo/asapo!215

.gitlab-ci.yml

+---
+workflow:
+  rules:
+    - if: $CI_COMMIT_BRANCH
+
 include:
   - local: deploy/build_env/services-linux/gitlab-ci-build-docker.yml
   - local: deploy/build_env/services-windows/gitlab-ci-build-docker.yml