Restart Server after first lighthouse run if it crashed or closed

.forgejo/workflows/pull-requests.yml

@@ -58,12 +58,18 @@ jobs:
       - name: Build Site
         run: yarn build
 
-      - name: Start Dev Server
+      - name: Start Server
         run: yarn preview &
 
       - name: Run Unlighthouse for Desktop
         run: unlighthouse-ci --build-static --desktop --outputPath reports/desktop
 
+      - name: Refresh Server
+        run: |
+          if ! pgrep -f "node /usr/bin/yarn" ; then
+            yarn preview &;
+          fi
+
       - name: Run Unlighthouse for Mobile
         run: unlighthouse-ci --build-static --mobile --outputPath reports/mobile