Remove matrix strategy, use only Node.js 24

Co-authored-by: dgreif <[email protected]>

Author: Copilot

.github/workflows/nodejs.yml

@@ -8,14 +8,11 @@ permissions:
 jobs:
   build:
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        node-version: [22, 24]
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: ${{ matrix.node-version }}
+          node-version: 24
       - run: npx playwright install chromium
       - name: npm install, build, and test
         run: |