Update nodejs.yml

Author: martinmcwhorter

.github/workflows/nodejs.yml

@@ -11,10 +11,10 @@ jobs:
     - uses: actions/checkout@v2
       with:
         fetch-depth: 0
-    - name: Use Node.js 12.x
+    - name: Use Node.js 14
       uses: actions/setup-node@v1
       with:
-        node-version: 12.x
+        node-version: 14
     - run: npm ci
     - run: npm run build --if-present
     - run: npm test