Update dependency node to v22 (#680)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/build-frontend.yml

@@ -23,7 +23,7 @@ jobs:
         uses: actions/setup-node@v4
         with:
           # sync with deploy-frontend version
-          node-version: '18.x'
+          node-version: '22.x'
       - run: cd services/frontend && npm ci
       - run: cd services/frontend && npm run build
       - run: cd services/frontend && npm run lint

.github/workflows/deploy-frontend.yml

@@ -11,7 +11,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '18.x'
+          node-version: '22.x'
       - run: cd services/frontend && npm ci
       - run: cd services/frontend && npm run build
       - name: Authenticate to Google Cloud