Bump antd from 5.20.5 to 5.21.2

Bumps [antd](https://github.com/ant-design/ant-design) from 5.20.5 to 5.21.2.
- [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@5.20.5...5.21.2)

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

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

package.json

@@ -24,7 +24,7 @@
     "@runonflux/utxo-lib": "~1.0.0",
     "@scure/bip32": "~1.4.0",
     "@scure/bip39": "~1.3.0",
-    "antd": "~5.20.1",
+    "antd": "~5.21.2",
     "assert": "~2.1.0",
     "axios": "~1.7.4",
     "bchaddrjs": "~0.5.2",