ci: run release job on every protected branch

.gitlab-ci.yml

@@ -60,5 +60,4 @@ release:
   script:
   - semantic-release --extends @quiqqer/semantic-release-config
   rules:
-  - if: "$CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH"
-  - if: "$CI_COMMIT_BRANCH =~ /^(\\d\\.)?\\d.x$/"
+  - if: "$CI_COMMIT_REF_PROTECTED"