fix previews: use node 14

Author: bpmct

.github/workflows/ci.yaml

@@ -47,7 +47,7 @@ jobs:
       - name: Install Node.js
         uses: actions/setup-node@v2
         with:
-          node-version: 12.x
+          node-version: 14.x
 
       - name: Install Node Modules
         run: yarn install

.github/workflows/preview.yaml

@@ -38,7 +38,7 @@ jobs:
       - name: Install Node.js
         uses: actions/setup-node@v2
         with:
-          node-version: 12.x
+          node-version: 14.x
 
       - name: Cache Node Modules
         uses: actions/cache@v2

package.json

@@ -29,7 +29,7 @@
     "typescript": "^4.4.2"
   },
   "engines": {
-    "node": "^12.16.0"
+    "node": "^14"
   },
   "private": true,
   "lint-staged": {