Preparations for renaming master to stable

.gitlab-ci.yml

@@ -70,7 +70,7 @@ docs-deploy:
   stage: deploy
   image: alpine:latest
   only:
-  - master@pleroma/pleroma
+  - stable@pleroma/pleroma
   - develop@pleroma/pleroma
   before_script:
   - apk add curl
@@ -127,9 +127,10 @@ amd64:
   # TODO: Replace with upstream image when 1.9.0 comes out
   image: rinpatch/elixir:1.9.0-rc.0
   only: &release-only
-  - master@pleroma/pleroma
+  - stable@pleroma/pleroma
   - develop@pleroma/pleroma
   - /^maint/.*$/@pleroma/pleroma
+  - /^release/.*$/@pleroma/pleroma
   artifacts: &release-artifacts
     name: "pleroma-$CI_COMMIT_REF_NAME-$CI_COMMIT_SHORT_SHA-$CI_JOB_NAME"
     paths: