chore: only support nodejs v14+

BREAKING CHANGE: drop support of nodejs v12 and below

Author: 3cp

.github/workflows/ci.yml

@@ -14,13 +14,13 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        node_version: ['12', '14', '16']
+        node_version: ['14', '16', '18']
         os: [ubuntu-latest, windows-latest, macOS-latest]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Use Node.js ${{ matrix.node_version }}
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v3
         with:
           node-version: ${{ matrix.node_version }}
       - run: npm install

package.json

@@ -17,7 +17,7 @@
     "au": "bin/aurelia-cli.js"
   },
   "engines": {
-    "node": ">=10.12.0"
+    "node": ">=14.0.0"
   },
   "scripts": {
     "lint": "gulp lint",