Run publish job only on main repo's master and develop branches

.gitlab-ci.yml

@@ -34,3 +34,6 @@ publish:
     - openssl aes-256-cbc -pass "env:ENCRYPTION_PASSWORD" -d -a -md md5 -in pubring.gpg.enc -out pubring.gpg
     - openssl aes-256-cbc -pass "env:ENCRYPTION_PASSWORD" -d -a -md md5 -in gradle.properties.enc -out gradle.properties
     - ./gradlew ${GRADLE_OPTIONS} uploadArchives
+  only:
+    - master@general/stups/sablecc-stups
+    - develop@general/stups/sablecc-stups