chore: Update packages

Author: CasperLaiTW

package.json

@@ -11,7 +11,7 @@
     "babel-cli": "^6.18.0",
     "babel-loader": "^6.2.8",
     "babel-preset-es2015": "^6.18.0",
-    "cz-conventional-changelog": "^1.2.0",
+    "cz-conventional-changelog": "^2.0.0",
     "standard-version": "^3.0.0",
     "vue-loader": "^9.9.5",
     "webpack": "^1.13.3"

yarn.lock

@@ -963,9 +963,9 @@ currently-unhandled@^0.4.1:
   dependencies:
     array-find-index "^1.0.1"
 
-cz-conventional-changelog@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/cz-conventional-changelog/-/cz-conventional-changelog-1.2.0.tgz#2bca04964c8919b23f3fd6a89ef5e6008b31b3f8"
+cz-conventional-changelog@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/cz-conventional-changelog/-/cz-conventional-changelog-2.0.0.tgz#55a979afdfe95e7024879d2a0f5924630170b533"
   dependencies:
     conventional-commit-types "^2.0.0"
     lodash.map "^4.5.1"
@@ -2461,7 +2461,7 @@ sshpk@^1.7.0:
     jsbn "~0.1.0"
     tweetnacl "~0.14.0"
 
-standard-version:
+standard-version@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/standard-version/-/standard-version-3.0.0.tgz#dc1dc9f6ad3436e3ace8a9b050634d8a04762929"
   dependencies: