chore(deps): bump dumi from 2.4.20 to 2.4.21 (#1443)

Bumps [dumi](https://github.com/umijs/dumi) from 2.4.20 to 2.4.21.
- [Release notes](https://github.com/umijs/dumi/releases)
- [Commits](umijs/dumi@v2.4.20...v2.4.21)

---
updated-dependencies:
- dependency-name: dumi
  dependency-version: 2.4.21
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package.json

@@ -134,7 +134,7 @@
     "antd-token-previewer-web3": "^2.0.8",
     "cross-env": "^7.0.3",
     "decimal.js": "^10.4.3",
-    "dumi": "^2.4.20",
+    "dumi": "^2.4.21",
     "dumi-theme-antd-web3": "0.4.3",
     "ethers": "^6.13.4",
     "github-contributors-lists": "^1.0.3",