ci(feat): Add a new meta job for the protected branch rules for the tests (#799)

Author: theofidry

.github/workflows/e2e-tests.yaml

@@ -131,3 +131,22 @@ jobs:
 
             -   name: Run e2e ${{ matrix.e2e }}
                 run: make ${{ matrix.e2e }} --debug
+
+    # This is a "trick", a meta task which does not change, and we can use in
+    # the protected branch rules as opposed to the E2E tests one above which
+    # may change regularly.
+    # This allows us to mark only this job as required instead of each individual
+    # ever-changing E2E tests.
+    validate-e2e:
+        name: Check status
+        runs-on: ubuntu-latest
+        needs: e2e-tests
+        if: always()
+        steps:
+            - name: Successful run
+              if: ${{ !(contains(needs.*.result, 'failure')) }}
+              run: exit 0
+
+            - name: Failing run
+              if: ${{ contains(needs.*.result, 'failure') }}
+              run: exit 1