Update dependency @types/dotenv to v6.1.1

Author: renovate-bot

package.json

@@ -146,7 +146,7 @@
     "@typegoose/typegoose": "7.4.6",
     "@types/config": "0.0.36",
     "@types/dateformat": "3.0.1",
-    "@types/dotenv": "6.1.0",
+    "@types/dotenv": "6.1.1",
     "@types/form-serialize": "0.7.1",
     "@types/graphql": "14.5.0",
     "@types/graphql-iso-date": "3.4.0",