chore: temporary artifact quota probe

Author: rynfar

.github/workflows/zz-artifact-probe.yml

@@ -0,0 +1,20 @@
+name: Artifact Quota Probe
+on:
+  push:
+    branches:
+      - scratch/artifact-quota-probe
+permissions:
+  contents: read
+jobs:
+  probe:
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    steps:
+      - run: echo "probe" > probe.txt
+      - name: Upload probe artifact
+        uses: actions/upload-artifact@v7
+        with:
+          name: quota-probe
+          path: probe.txt
+          if-no-files-found: error
+          retention-days: 1