build(deps-dev): bump typedoc from 0.28.19 to 0.28.20 (solana-program#573)

Bumps [typedoc](https://github.com/TypeStrong/TypeDoc) from 0.28.19 to 0.28.20.
- [Release notes](https://github.com/TypeStrong/TypeDoc/releases)
- [Changelog](https://github.com/TypeStrong/typedoc/blob/master/CHANGELOG.md)
- [Commits](TypeStrong/typedoc@v0.28.19...v0.28.20)

---
updated-dependencies:
- dependency-name: typedoc
  dependency-version: 0.28.20
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

clients/js/package.json

@@ -62,7 +62,7 @@
         "prettier": "^3.9.4",
         "tsup": "^8.5.1",
         "tsx": "^4.23.0",
-        "typedoc": "^0.28.19",
+        "typedoc": "^0.28.20",
         "typescript": "^6.0.3",
         "typescript-eslint": "^8.62.1"
     }