bump node to 16+ (#221)

Author: tomap

.github/workflows/tester.yml

@@ -8,7 +8,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        node-version: ["14.x", "16.x", "18.x"]
+        node-version: ["16.x", "18.x"]
       fail-fast: false
     steps:
       - uses: actions/checkout@v4
@@ -27,7 +27,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        node-version: ["14.x"]
+        node-version: ["16.x"]
     steps:
       - uses: actions/checkout@v4
       - name: Use Node.js ${{ matrix.node-version }}

package.json

@@ -47,6 +47,6 @@
     "nyc": "^15.1.0"
   },
   "engines": {
-    "node": ">=12.13.0"
+    "node": ">=16"
   }
 }