Merge branch 'revert/tags-releases-develop' into 'develop'

Revert "Build releases only on tags or develop" on develop

See merge request pleroma/pleroma!1357

.gitlab-ci.yml

@@ -148,7 +148,7 @@ amd64:
   # TODO: Replace with upstream image when 1.9.0 comes out
   image: rinpatch/elixir:1.9.0-rc.0
   only: &release-only
-  - tags
+  - master@pleroma/pleroma
   - develop@pleroma/pleroma
   artifacts: &release-artifacts
     name: "pleroma-$CI_COMMIT_REF_NAME-$CI_COMMIT_SHORT_SHA-$CI_JOB_NAME"