build: use node 14

Close #5047

.github/workflows/test.yml

@@ -16,10 +16,10 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - name: Use Node.js 12
+      - name: Use Node.js 14
         uses: actions/setup-node@v2.1.4
         with:
-          node-version: 12
+          node-version: 14
       - uses: actions/cache@v2.1.4
         with:
           path: ~/.npm
@@ -38,10 +38,10 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - name: Use Node.js 12
+      - name: Use Node.js 14
         uses: actions/setup-node@v2.1.4
         with:
-          node-version: 12
+          node-version: 14
       - uses: actions/cache@v2.1.4
         with:
           path: ~/.npm

.nvmrc

@@ -1 +1 @@
-12
+14

package.json

@@ -126,7 +126,7 @@
     "webpack-manifest-plugin": "^3.1.0"
   },
   "engines": {
-    "node": ">=12 <14"
+    "node": ">=12 <15"
   },
   "lint-staged": {
     "*.js": "npm run lint:js",