chore(node): drop Node 16

BREAKING CHANGE
Node 16 EOL 2023-09-11

.github/workflows/tester.yml

@@ -8,7 +8,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        node-version: ["16", "18", "20"]
+        node-version: ["18", "20"]
       fail-fast: false
     steps:
       - uses: actions/checkout@v3
@@ -33,7 +33,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        node-version: ["16.x"]
+        node-version: ["18.x"]
     steps:
       - uses: actions/checkout@v3
       - name: Use Node.js ${{ matrix.node-version }}

package.json

@@ -16,7 +16,7 @@
     "test": "jest"
   },
   "engines": {
-    "node": ">= 16.13.0"
+    "node": ">= 18.12.0"
   },
   "author": "curben",
   "license": "MIT",