add ci aggregation step

.github/workflows/run_tests.yml

@@ -51,3 +51,18 @@ jobs:
       - name: Show Coverage
         run: |
           coverage report -m
+
+  # This allows us to have a branch protection rule for tests and deploys with matrix
+  # 
+  # taken from https://github.com/orgs/community/discussions/4324#discussioncomment-3477871
+  ci-report-status:
+    runs-on: ubuntu-latest
+    needs: build
+    if: always()
+    steps:
+      - name: Successful CI
+        if: ${{ !(contains(needs.build.result, 'failure')) }}
+        run: exit 0
+      - name: Failing CI
+        if: ${{ contains(needs.build.result, 'failure') }}
+        run: exit 1