chore: bump rollup-plugin-dts from 4.2.0 to 4.2.1 in /web3.js (#24794)

Bumps [rollup-plugin-dts](https://github.com/Swatinem/rollup-plugin-dts) from 4.2.0 to 4.2.1.
- [Release notes](https://github.com/Swatinem/rollup-plugin-dts/releases)
- [Changelog](https://github.com/Swatinem/rollup-plugin-dts/blob/master/CHANGELOG.md)
- [Commits](Swatinem/rollup-plugin-dts@v4.2.0...v4.2.1)

---
updated-dependencies:
- dependency-name: rollup-plugin-dts
  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>

yarn.lock

@@ -6736,8 +6736,8 @@ rimraf@*, rimraf@3.0.2, rimraf@^3.0.0, rimraf@^3.0.2:
     glob "^7.1.3"
 
 rollup-plugin-dts@^4.0.0:
-  version "4.2.0"
-  resolved "https://registry.npmjs.org/rollup-plugin-dts/-/rollup-plugin-dts-4.2.0.tgz"
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-dts/-/rollup-plugin-dts-4.2.1.tgz#c17968a0f7c5ae70a9e0ab37e715f3ef63da01c7"
   dependencies:
     magic-string "^0.26.1"
   optionalDependencies: