Upgrade Node.js to version 20.x to fix CI failures

Co-authored-by: jonrohan <54012+jonrohan@users.noreply.github.com>

Author: Copilot

.github/workflows/nodejs.yml

@@ -10,10 +10,10 @@ jobs:
     runs-on: macos-latest
     steps:
     - uses: actions/checkout@v2
-    - name: Use Node.js 14
+    - name: Use Node.js 20.x
       uses: actions/setup-node@v6
       with:
-        node-version: 14
+        node-version: 20.x
     - name: npm install, build, and test
       run: |
         npm install