chore(deps): update dependency @types/mocha to v5.2.6

Author: renovate-bot

package-lock.json

@@ -36,7 +36,7 @@
     "@js-entity-repos/memory": "4.3.0",
     "@types/dotenv": "4.0.3",
     "@types/express": "4.16.1",
-    "@types/mocha": "5.2.5",
+    "@types/mocha": "5.2.6",
     "@types/source-map-support": "0.4.1",
     "@types/uuid": "3.4.4",
     "assert-rejects": "0.1.1",