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

Author: renovate-bot

package-lock.json

@@ -38,7 +38,7 @@
   "devDependencies": {
     "@ht2-labs/semantic-release": "1.1.64",
     "@ht2-labs/typescript-project": "1.1.0",
-    "@types/mocha": "5.2.5",
+    "@types/mocha": "5.2.6",
     "@types/power-assert": "1.5.0",
     "@types/prop-types": "15.7.1",
     "@types/react": "16.4.2",