Upgrade CI node version

Author: Perryvw

.github/workflows/ci.yml

@@ -9,9 +9,9 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - name: Use Node.js 12
+      - name: Use Node.js 18
         uses: actions/setup-node@v1
         with:
-          node-version: 12
+          node-version: 18
       - run: npm ci --ignore-scripts
       - run: npm run build