Only run workflows if they might be able to work (#63164)

.github/workflows/pr-commands.yml

@@ -8,7 +8,22 @@ on:
 concurrency:
   group: pr-commands-${{ github.event.number }}
 jobs:
+  config:
+    runs-on: "ubuntu-latest"
+    outputs:
+      has-secrets: ${{ steps.check.outputs.has-secrets }}
+    steps:
+      - name: "Check for secrets"
+        id: check
+        shell: bash
+        run: |
+          if [ -n "${{ (secrets.GRAFANA_MISC_STATS_API_KEY != '' && secrets.GH_BOT_ACCESS_TOKEN != '') || '' }}" ]; then
+            echo "has-secrets=1" >> "$GITHUB_OUTPUT"
+          fi
+
   main:
+    needs: config
+    if: needs.config.outputs.has-secrets
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Actions