Bump antd from 4.24.2 to 5.15.4 in /webapp

Bumps [antd](https://github.com/ant-design/ant-design) from 4.24.2 to 5.15.4.
- [Release notes](https://github.com/ant-design/ant-design/releases)
- [Changelog](https://github.com/ant-design/ant-design/blob/master/CHANGELOG.en-US.md)
- [Commits](ant-design/ant-design@4.24.2...5.15.4)

---
updated-dependencies:
- dependency-name: antd
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>