ci: upgrade node version to 14

Author: miles-grant-ibigroup

.github/workflows/node-ci.yml

@@ -12,10 +12,10 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - name: Use Node.js 12.x
+      - name: Use Node.js 14.x
         uses: actions/setup-node@v1
         with:
-          node-version: 12.x
+          node-version: 14.x
       - name: Install npm packages using cache
         uses: bahmutov/npm-install@v1
       - name: Copy example config