chore: update changelog script

Author: ulivz

package.json

@@ -8,6 +8,7 @@
   ],
   "description": "Minimalistic doc generator with Vue component based layout system",
   "scripts": {
+    "bootstrap": "lerna bootstrap",
     "boot": "node scripts/bootstrap.js",
     "dev": "yarn workspace docs dev",
     "build": "yarn workspace docs build",
@@ -16,7 +17,7 @@
     "register-vuepress": "lerna exec --scope vuepress -- yarn link",
     "lint": "eslint --fix packages/**/*.js packages/**/*.vue packages/**/bin/*",
     "release": "yarn --pure-lockfile && node scripts/release.js",
-    "changelog": "node scripts/genChangelog.js run",
+    "changelog": "conventional-changelog -p angular -i CHANGELOG.md -s",
     "test": "node scripts/test.js"
   },
   "gitHooks": {
@@ -37,7 +38,6 @@
     "lint-staged": "^7.0.4",
     "minimist": "^1.2.0",
     "yorkie": "^1.0.3",
-    "inquirer": "^6.2.0",
-    "@vue/conventional-changelog": "^0.1.1"
+    "inquirer": "^6.2.0"
   }
 }

scripts/genChangelog.js

@@ -1243,14 +1243,6 @@
     source-map "^0.5.6"
     vue-template-es2015-compiler "^1.6.0"
 
-"@vue/conventional-changelog@^0.1.1":
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/@vue/conventional-changelog/-/conventional-changelog-0.1.1.tgz#48d2227ca65c354cba4be60754ea531afd0c3718"
-  dependencies:
-    compare-func "^1.3.2"
-    execa "^0.10.0"
-    q "^1.5.1"
-
 "@vue/test-utils@^1.0.0-beta.16":
   version "1.0.0-beta.21"
   resolved "https://registry.yarnpkg.com/@vue/test-utils/-/test-utils-1.0.0-beta.21.tgz#fe1ee11ce16072da7ef29420df4aa5c11f4560ff"
@@ -2603,7 +2595,7 @@ commondir@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/commondir/-/commondir-1.0.1.tgz#ddd800da0c66127393cca5950ea968a3aaf1253b"
 
-compare-func@^1.3.1, compare-func@^1.3.2:
+compare-func@^1.3.1:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/compare-func/-/compare-func-1.3.2.tgz#99dd0ba457e1f9bc722b12c08ec33eeab31fa648"
   dependencies: