ci: dropp support old node

Author: Scrum

.travis.yml

@@ -3,7 +3,7 @@ language: node_js
 node_js:
   - stable
   - lts/*
-  - 8
+  - 10
 
 after_success:
 - cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js"

package.json

@@ -4,7 +4,7 @@
   "version": "1.0.2",
   "main": "lib/index.js",
   "engines": {
-    "node": ">= 8"
+    "node": ">= 10"
   },
   "files": [
     "lib"