Update dependency mocha to v11

Author: renovate[bot]

package.json

@@ -29,7 +29,7 @@
     "eslint": "^6.8.0",
     "eslint-plugin-mocha": "^9.0.0",
     "lambda-tester": "^4.0.0",
-    "mocha": "^9.0.0",
+    "mocha": "^11.0.0",
     "nyc": "^15.0.0",
     "serverless": "^2.0.0",
     "serverless-plugin-aws-alerts": "^1.4.0",