Scaffold validation job

Author: mbg

.github/workflows/__diagnostics-without-db.yml

@@ -25,3 +25,18 @@ steps:
     run: |
       cd ../action
       npx tsx ./pr-checks/diagnostics-without-db.ts
+validationJobs:
+  diagnostics-without-db-validation:
+    installNode: true
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+
+      - name: Download workflow artifact
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
+        with:
+          pattern: test-mode-sarif
+          path: sarif
+
+      - name: List artifact contents
+        run: ls -laR ./sarif

pr-checks/checks/diagnostics-without-db.yml

@@ -635,7 +635,7 @@ function generateValidationJob(
       "security-events": "read",
     },
     "timeout-minutes": 5,
-    "runs-on": "ubuntu-slim",
+    "runs-on": "ubuntu-latest",
     steps: specSteps,
   };