Add final job so branch protection can require matrix ci steps (#4432)

.github/workflows/ci.yml

@@ -187,3 +187,16 @@ jobs:
         run: script/ci-suggest-changes
         # yamllint disable-line rule:line-length
         if: always() && (matrix.id == 'clang-tidy' || matrix.id == 'clang-format' || matrix.id == 'lint-python')
+
+  ci-status:
+    name: CI Status
+    runs-on: ubuntu-latest
+    needs: [ci]
+    if: always()
+    steps:
+      - name: Successful deploy
+        if: ${{ !(contains(needs.*.result, 'failure')) }}
+        run: exit 0
+      - name: Failing deploy
+        if: ${{ contains(needs.*.result, 'failure') }}
+        run: exit 1