chore(package): update dependencies (#54)

package.json

@@ -36,22 +36,22 @@
   "homepage": "https://github.com/bdfoster/nomatic-data#readme",
   "devDependencies": {
     "@types/chai": "^4.1.7",
-    "@types/mocha": "^2.2.43",
+    "@types/mocha": "^5.2.6",
     "@types/node": "^11.13.2",
     "bcrypt": "^3.0.5",
     "chai": "^4.2.0",
     "coveralls": "^3.0.0",
     "cross-env": "^5.1.0",
-    "mocha": "^4.0.1",
+    "mocha": "^6.1.2",
     "node-gyp": "^3.6.2",
     "nomatic-arangodb-adapter": "^1.0.16",
-    "nyc": "^11.2.1",
+    "nyc": "^13.3.0",
     "semantic-release": "^15.13.3",
     "source-map-support": "^0.5.0",
-    "ts-node": "^4.1.0",
+    "ts-node": "^8.0.3",
     "tslint": "^5.7.0",
-    "typedoc": "^0.9.0",
-    "typescript": "2.6.2"
+    "typedoc": "^0.14.2",
+    "typescript": "3.4.3"
   },
   "dependencies": {
     "ajv": "^6.10.0",