Bump @rjsf/core from 6.4.1 to 6.4.2 in /webui

Bumps [@rjsf/core](https://github.com/rjsf-team/react-jsonschema-form) from 6.4.1 to 6.4.2.
- [Release notes](https://github.com/rjsf-team/react-jsonschema-form/releases)
- [Changelog](https://github.com/rjsf-team/react-jsonschema-form/blob/main/CHANGELOG.md)
- [Commits](rjsf-team/react-jsonschema-form@6.4.1...6.4.2)

---
updated-dependencies:
- dependency-name: "@rjsf/core"
  dependency-version: 6.4.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

webui/package-lock.json

@@ -16,7 +16,7 @@
   },
   "dependencies": {
     "@monaco-editor/react": "^4.7.0",
-    "@rjsf/core": "6.4.1",
+    "@rjsf/core": "6.4.2",
     "@rjsf/utils": "6.4.1",
     "@rjsf/validator-ajv8": "6.4.1",
     "@types/trusted-types": "2.0.7",