fix: packages/plugins/@nocobase/plugin-action-custom-request/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-REMIXRUNROUTER-14908530
- https://snyk.io/vuln/SNYK-JS-REACTROUTER-14908286
- https://snyk.io/vuln/SNYK-JS-REMIXRUNROUTER-14908287

Author: snyk-bot

packages/plugins/@nocobase/plugin-action-custom-request/package.json

@@ -15,7 +15,7 @@
     "antd": "5.x",
     "lodash": "4.x",
     "react-i18next": "^11.15.1",
-    "react-router-dom": "6.x"
+    "react-router-dom": "6.30.3"
   },
   "peerDependencies": {
     "@nocobase/client": "1.x",