Attempt at fixing the release CI

.gitlab-ci.yml

@@ -38,11 +38,14 @@ test:
 
 release:
   stage: "release"
+  cache: {}
   script:
     - "./gradlew publish"
   artifacts:
     paths:
       - "build/libs/*"
+  dependencies:
+    - "build"
   rules:
-    - if: "$CI_COMMIT_TAG != ''"
+    - if: "$CI_COMMIT_TAG != '' && $CI_COMMIT_BRANCH == 'master'"
       when: always