Merge pull request #165 from alefragnani/copilot/fix-164

Fix GitHub Actions build issues by updating workflow and dependencies

Author: alefragnani

.github/workflows/main.yml

@@ -13,13 +13,13 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         submodules: true
     - name: Install Node.js
-      uses: actions/setup-node@v3
+      uses: actions/setup-node@v4
       with:
-        node-version: 16.x
+        node-version: 20.x
     - run: npm install
     - run: xvfb-run -a npm test
       if: runner.os == 'Linux'