Add a “Final Results” job to the matrix Workflows

This ensures all matrix tests have passed, allowing us
to add one required step for each workflow, rather than
having to require a passing status for each individual
Ruby / Rails version.

.github/workflows/rails-integration-tests.yml

@@ -96,3 +96,19 @@ jobs:
         run: |
           docker run --rm -e "NOTIFY_API_KEY=$NOTIFY_API_KEY" \
           mail-notify-integration-rails-${{ matrix.rails }}:latest bin/rails test
+  results:
+    if: ${{ always() }}
+    runs-on: ubuntu-latest
+    name: Final Results
+    needs:
+      - mailer-previews
+      - sending
+    steps:
+      # If any of the previous actions failed, we return a non-zero exit code
+      - run: exit 1
+        if: >-
+          ${{
+               contains(needs.*.result, 'failure')
+            || contains(needs.*.result, 'cancelled')
+            || contains(needs.*.result, 'skipped')
+          }}

.github/workflows/unit-tests.yml

@@ -24,3 +24,17 @@ jobs:
         uses: coverallsapp/github-action@v2
         with:
           fail-on-error: false
+  results:
+    if: ${{ always() }}
+    runs-on: ubuntu-latest
+    name: Final Results
+    needs: [ unit-tests ]
+    steps:
+      # If any of the previous actions failed, we return a non-zero exit code
+      - run: exit 1
+        if: >-
+          ${{
+               contains(needs.*.result, 'failure')
+            || contains(needs.*.result, 'cancelled')
+            || contains(needs.*.result, 'skipped')
+          }}