refactor(deps): renovate pin dependencies packages

Author: renovate[bot]

package.json

@@ -39,16 +39,16 @@
     "toggl-api": "^1.0.1"
   },
   "devDependencies": {
-    "chai": "^4.0.0",
-    "codeclimate-test-reporter": "^0.4.0",
-    "coffee-coverage": "^2.0.0",
-    "coffee-script": "^1.11.1",
-    "coffeelint": "^1.16.0",
-    "coveralls": "^2.11.15",
-    "generate-changelog": "^1.0.2",
-    "hubot-test-helper": "^1.5.0",
-    "istanbul": "^0.4.5",
-    "mocha": "^3.1.2",
-    "proxyquire": "^1.7.10"
+    "chai": "4.1.2",
+    "codeclimate-test-reporter": "0.4.1",
+    "coffee-coverage": "2.0.1",
+    "coffee-script": "1.12.7",
+    "coffeelint": "1.16.0",
+    "coveralls": "2.13.1",
+    "generate-changelog": "1.4.0",
+    "hubot-test-helper": "1.7.0",
+    "istanbul": "0.4.5",
+    "mocha": "3.5.0",
+    "proxyquire": "1.8.0"
   }
 }