fix(ci): use statuses to trigger automerge (#2745)

.github/workflows/automerge.yml

@@ -1,24 +1,6 @@
 name: Automerge
 
 on:
-  pull_request:
-    branches:
-      - main
-    types:
-      - labeled
-      - unlabeled
-      - synchronize
-      - opened
-      - edited
-      - ready_for_review
-      - reopened
-      - unlocked
-  pull_request_review:
-    types:
-      - submitted
-  check_suite:
-    types:
-      - completed
   status: {}
 
 jobs:
@@ -26,6 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: automerge
+        if: github.event.context == 'Mergeable'
         uses: "pascalgn/automerge-action@v0.13.0"
         env:
           GITHUB_TOKEN: "${{ secrets.GH_REPO_TOKEN }}"

.github/workflows/test.yml

@@ -673,3 +673,23 @@ jobs:
       - name: Rollback on failure
         if: failure()
         run: /usr/local/bin/heroku releases:rollback --app karma-demo
+
+  stage-build-and-deploy:
+    name: "=== Build and deploy stage ==="
+    needs:
+      - benchmark-go
+      - webpack-bundle-size
+      - percy
+      - cross-compile
+      - docker
+      - demo-deploy
+    runs-on: ubuntu-latest
+    steps:
+      - name: "Update status"
+        uses: Sibz/github-status-action@v1.1.1
+        with:
+          authToken: ${{ secrets.GH_REPO_TOKEN }}
+          context: "Mergeable"
+          description: "Passed"
+          state: "success"
+          sha: ${{github.event.pull_request.head.sha || github.sha}}