Bump @smithy/util-body-length-node from 4.0.0 to 4.2.0 in /s3-uploader (#2773)

Bumps [@smithy/util-body-length-node](https://github.com/smithy-lang/smithy-typescript/tree/HEAD/packages/util-body-length-node) from 4.0.0 to 4.2.0.
- [Release notes](https://github.com/smithy-lang/smithy-typescript/releases)
- [Changelog](https://github.com/smithy-lang/smithy-typescript/blob/main/packages/util-body-length-node/CHANGELOG.md)
- [Commits](https://github.com/smithy-lang/smithy-typescript/commits/@smithy/util-body-length-node@4.2.0/packages/util-body-length-node)

---
updated-dependencies:
- dependency-name: "@smithy/util-body-length-node"
  dependency-version: 4.2.0
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

s3-uploader/yarn.lock

@@ -1091,9 +1091,9 @@
     tslib "^2.6.2"
 
 "@smithy/util-body-length-node@^4.0.0":
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/@smithy/util-body-length-node/-/util-body-length-node-4.0.0.tgz#3db245f6844a9b1e218e30c93305bfe2ffa473b3"
-  integrity sha512-q0iDP3VsZzqJyje8xJWEJCNIu3lktUGVoSy1KB0UWym2CL1siV3artm+u1DFYTLejpsrdGyCSWBdGNjJzfDPjg==
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/@smithy/util-body-length-node/-/util-body-length-node-4.2.1.tgz#79c8a5d18e010cce6c42d5cbaf6c1958523e6fec"
+  integrity sha512-h53dz/pISVrVrfxV1iqXlx5pRg3V2YWFcSQyPyXZRrZoZj4R4DeWRDo1a7dd3CPTcFi3kE+98tuNyD2axyZReA==
   dependencies:
     tslib "^2.6.2"