fix: solutions/mcp-chat-client/package.json & solutions/mcp-chat-client/package-lock.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-LODASH-15869625
- https://snyk.io/vuln/SNYK-JS-LODASH-15053838
- https://snyk.io/vuln/SNYK-JS-LODASH-15869619

Author: snyk-io[bot]

solutions/mcp-chat-client/package-lock.json

@@ -18,7 +18,7 @@
     "@vercel/edge": "^1.2.2",
     "antd": "^5.27.1",
     "hono": "^4.9.2",
-    "lodash": "^4.17.21",
+    "lodash": "^4.18.1",
     "openai": "^5.16.0",
     "openid-client": "^6.6.4",
     "react": "^19.0.0",