chore(package): update chai to version 4.1.2

Closes #8

Author: greenkeeper[bot]

package.json

@@ -39,7 +39,7 @@
   },
   "devDependencies": {
     "@bubltechnology/customizable-commit-analyzer": "1.0.2-0",
-    "chai": "4.0.1",
+    "chai": "4.1.2",
     "condition-circle": "1.5.0",
     "compression": "1.0.3",
     "cors": "2.8.3",