Modify merge queue demo workflow settings (#3)

Author: DariuszPorowski

.github/workflows/merge-queue-demo.yaml

@@ -5,7 +5,7 @@ on:
   pull_request:
     branches: [main]
   merge_group:
-    types: [checks_requested]
+    branches: [main]
 
 jobs:
   unit-test:
@@ -47,7 +47,7 @@ jobs:
       - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
       - name: Run Flaky Test
         # Change 'pass' to 'flaky' to simulate flakiness
-        run: ./scripts/test.sh pass
+        run: ./scripts/test.sh flaky
 
   # Scenario: Semantic Conflict Simulation
   # This job checks a version file. If two PRs change it incompatibly, this fails.