fix: requires node >=10.20.0 instead of >=4

Author: hertzg

README.md

@@ -12,7 +12,7 @@
 [npm_url]: https://www.npmjs.com/package/net-keepalive
 [npm_shield]: https://img.shields.io/npm/v/net-keepalive.svg?style=flat
 [node_url]: https://dist.nodejs.org
-[node_shield]: https://img.shields.io/badge/node-%3E%3D4-green.svg
+[node_shield]: https://img.shields.io/badge/node-%3E%3D10.20.0-green.svg
 [os_shield]: https://img.shields.io/badge/os-linux%2Cosx%2Cbsd-green.svg
 [travis_url]: https://travis-ci.org/hertzg/node-net-keepalive
 [travis_shield]: https://travis-ci.org/hertzg/node-net-keepalive.svg?branch=master

package.json

@@ -28,7 +28,7 @@
     "*.d.ts"
   ],
   "engines": {
-    "node": ">=4"
+    "node": ">=10.20.0"
   },
   "husky": {
     "hooks": {
@@ -53,7 +53,7 @@
   "bugs": {
     "url": "https://github.com/hertzg/node-net-keepalive/issues"
   },
-  "homepage": "https://github.com/hertzg/node-net-keepalive",
+  "homepage": "https://hertzg.github.io/node-net-keepalive/",
   "dependencies": {
     "ffi-napi": "^3.0.1",
     "ref-napi": "^3.0.0"