feat: Upgrade to node 22

Author: kevinwang5658

.github/workflows/run-unit-tests.yaml

@@ -12,10 +12,10 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - run: echo -e "\n//npm.pkg.github.com/:_authToken=${{ secrets.PACKAGES_PAT_GITHUB }}" >> ./.npmrc
-      - name: Use Node.js 20
+      - name: Use Node.js 22
         uses: actions/setup-node@v4
         with:
-          node-version: '20.x'
+          node-version: '22.x'
           cache: 'npm'
       - run: npm ci
       - run: npm test