ci: require agentcompat stress validation

Co-authored-by: naiba/CloudCode <hi+cloudcode@nai.ba>

integration/agentcompat/internal/workflowpolicy/testdata/cache.yml

@@ -0,0 +1,14 @@
+on:
+  pull_request:
+concurrency: policy
+permissions:
+  contents: read
+jobs:
+  verify:
+    runs-on: ubuntu-24.04
+    timeout-minutes: 10
+    steps:
+      - uses: actions/cache@0123456789abcdef0123456789abcdef01234567
+        with:
+          path: bin
+          key: executable-cache