CI: Auto label on RTLMeter and Code coverage failure

.github/workflows/coverage.yml

@@ -36,8 +36,8 @@ concurrency:
 
 jobs:
 
-  build:
-    name: Build
+  start:
+    name: Start
     # Only run scheduled jobs if explicitly enabled for that repo (e.g.: not on forks)
     # Only run pull request jobs if labelled as needing a coverage run
     # Always run workflow dispatch jobs
@@ -51,6 +51,23 @@ jobs:
                 && github.event.action != 'unlabeled'
                 && contains(github.event.pull_request.labels.*.name, 'pr: dev-coverage')))) ||
       (github.event_name == 'workflow_dispatch')
+    runs-on: ubuntu-slim
+    steps:
+      - name: Save the pull request number
+        if: ${{ github.event_name == 'pull_request' }}
+        run: echo "${{ github.event.number }}" > pr-number.txt
+
+      - name: Upload the pull request number
+        if: ${{ github.event_name == 'pull_request' }}
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7
+        with:
+          name: pr-number
+          path: pr-number.txt
+          overwrite: true
+
+  build:
+    name: Build
+    needs: start
     uses: ./.github/workflows/reusable-build.yml
     with:
       cc: gcc