chore(deps): update

Author: stevemao

package.json

@@ -29,7 +29,7 @@
     "conventional-changelog": "^1.1.0",
     "dateformat": "^1.0.11",
     "git-semver-tags": "^1.0.0",
-    "github": "^0.2.4",
+    "github": "^2.0.0",
     "lodash.merge": "^4.0.2",
     "meow": "^3.3.0",
     "object-assign": "^4.0.1",
@@ -43,10 +43,10 @@
     "coveralls": "^2.11.2",
     "github-remove-all-releases": "^1.0.0",
     "istanbul": "^0.4.1",
-    "jscs": "^2.0.0",
+    "jscs": "^3.0.5",
     "jshint": "^2.9.1",
     "mocha": "*",
-    "shelljs": "^0.6.0"
+    "shelljs": "^0.7.0"
   },
   "scripts": {
     "coverage": "istanbul cover _mocha -- -R spec --timeout 50000 && rm -rf ./coverage",