Bump dependencies

Author: sindresorhus

lib/actions/user.js

@@ -56,9 +56,7 @@ user.git.email = () => {
 
 /**
  * Retrieves GitHub's username from the GitHub API
- * @return {Promise} Resolved with the github username or rejected if unable to
+ * @return {Promise} Resolved with the GitHub username or rejected if unable to
  *                   get the information
  */
-user.github.username = () => {
-  return githubUsername(user.git.email());
-};
+user.github.username = () => githubUsername(user.git.email());

package.json

@@ -42,7 +42,7 @@
     "detect-conflict": "^1.0.0",
     "error": "^7.0.2",
     "find-up": "^2.1.0",
-    "github-username": "^3.0.0",
+    "github-username": "^4.0.0",
     "istextorbinary": "^2.1.0",
     "lodash": "^4.11.1",
     "mem-fs-editor": "^3.0.0",
@@ -70,7 +70,7 @@
     "mockery": "^2.0.0",
     "nock": "^9.0.5",
     "proxyquire": "^1.0.0",
-    "sinon": "^1.9.1",
+    "sinon": "^2.1.0",
     "tui-jsdoc-template": "^1.0.4",
     "xo": "^0.17.0",
     "yeoman-assert": "^3.0.0",