ci: update nodejs to 22 for pr preview

Author: ctron

.github/workflows/pr-preview-build.yml

@@ -9,7 +9,7 @@ jobs:
 
       - uses: actions/setup-node@v5
         with:
-          node-version: "18"
+          node-version: "22"
       - name: Build
         run: |
           npm ci