fix: package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-INFLIGHT-6095116

Author: snyk-bot

package.json

@@ -37,7 +37,7 @@
     "dtslint": "^3.x",
     "eslint": "^6.x",
     "eslint-config-google": "^0.14.x",
-    "mocha": "^7.x",
+    "mocha": "^11.0.1",
     "node-mocks-http": "roshangade/node-mocks-http",
     "nyc": "^15.x",
     "sinon": "^9.x"