Test all supported node versions

.github/workflows/test-deploy.yml

@@ -13,13 +13,16 @@ jobs:
   test-deploy:
     name: Test deployment
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [20, 22]
     steps:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - uses: actions/setup-node@v4
         with:
-          node-version: 22
+          node-version: ${{ matrix.node-version }}
           cache: npm
           cache-dependency-path: './website/package-lock.json'
 
@@ -28,3 +31,4 @@ jobs:
 
       - name: Test build website
         run: npm run build
+        continue-on-error: false