Revert "ci: Disable Pipeline execution for branches"

This reverts commit 0fc7a96eef.

.gitlab-ci.yml

@@ -19,6 +19,7 @@ workflow:
     - if: $CI_PIPELINE_SOURCE == "merge_request_event"
     - if: $CI_COMMIT_BRANCH && $CI_OPEN_MERGE_REQUESTS
       when: never
+    - if: $CI_COMMIT_BRANCH
 
 stages:
   - deploy