fix: Update dev dependencies (#43)

Author: SergeAstapov

package.json

@@ -16,12 +16,12 @@
     "babel-preset-env": "^1.2.2",
     "babel-preset-es2015": "^6.24.1",
     "babel-register": "^6.18.0",
-    "chai": "^3.5.0",
-    "eslint": "^3.10.2",
-    "eslint-config-canonical": "^5.5.0",
+    "chai": "^4.1.2",
+    "eslint": "^4.7.2",
+    "eslint-config-canonical": "^9.3.1",
     "gitdown": "^2.4.0",
-    "globby": "^4.0.0",
-    "mocha": "^2.5.3",
+    "globby": "^6.1.0",
+    "mocha": "^3.5.3",
     "semantic-release": "^6.3.6"
   },
   "engines": {