chore(deps): update dependency mocha to v3.5.3

Author: renovate[bot]

package.json

@@ -48,7 +48,7 @@
     "generate-changelog": "1.4.0",
     "hubot-test-helper": "1.7.0",
     "istanbul": "0.4.5",
-    "mocha": "3.5.2",
+    "mocha": "3.5.3",
     "proxyquire": "1.8.0"
   }
 }

yarn.lock

@@ -365,8 +365,8 @@ [email protected]:
   resolved "https://registry.yarnpkg.com/content-disposition/-/content-disposition-0.5.0.tgz#4284fe6ae0630874639e44e80a418c2934135e9e"
 
 content-type@~1.0.1:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.2.tgz#b7d113aee7a8dd27bd21133c4dc2529df1721eed"
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.4.tgz#e138cc75e040c727b1966fe5e5f8c9aee256fe3b"
 
 cookie-parser@~1.3.5:
   version "1.3.5"
@@ -629,8 +629,8 @@ form-data@~2.1.1:
     mime-types "^2.1.12"
 
 forwarded@~0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.1.0.tgz#19ef9874c4ae1c297bcf078fde63a09b66a84363"
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.1.1.tgz#8a4e30c640b05395399a3549c730257728048961"
 
 [email protected]:
   version "0.3.0"
@@ -899,8 +899,8 @@ [email protected]:
     esprima "^2.6.0"
 
 [email protected]:
-  version "3.9.1"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.9.1.tgz#08775cebdfdd359209f0d2acd383c8f86a6904a0"
+  version "3.10.0"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.10.0.tgz#2e78441646bd4682e963f22b6e92823c309c62dc"
   dependencies:
     argparse "^1.0.7"
     esprima "^4.0.0"
@@ -1101,9 +1101,9 @@ [email protected], [email protected]:
   dependencies:
     minimist "0.0.8"
 
-[email protected].2:
-  version "3.5.2"
-  resolved "https://registry.yarnpkg.com/mocha/-/mocha-3.5.2.tgz#3d5585cc6bd9e43a7c0bd251631abc0fbea0f032"
+[email protected].3:
+  version "3.5.3"
+  resolved "https://registry.yarnpkg.com/mocha/-/mocha-3.5.3.tgz#1e0480fe36d2da5858d1eb6acc38418b26eaa20d"
   dependencies:
     browser-stdout "1.3.0"
     commander "2.9.0"