update gh workflows

Author: mentalcaries

.github/workflows/firebase-hosting-merge.yml

@@ -10,8 +10,8 @@ jobs:
   build_and_deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
           node-version-file: '.nvmrc'
       - run: npm ci && npm run build