chore(deps): update dependency @types/chai to v4.2.6

Author: renovate-bot

package-lock.json

@@ -85,7 +85,7 @@
     "@types/amqplib": "0.5.13",
     "@types/bytes": "3.1.0",
     "@types/cache-manager": "2.10.0",
-    "@types/chai": "4.2.5",
+    "@types/chai": "4.2.6",
     "@types/chai-as-promised": "7.1.2",
     "@types/cors": "2.8.6",
     "@types/express": "4.17.2",