chore(deps): bump @smithy/signature-v4 in /src/typescript

Bumps [@smithy/signature-v4](https://github.com/smithy-lang/smithy-typescript/tree/HEAD/packages/signature-v4) from 5.3.0 to 5.3.2.
- [Release notes](https://github.com/smithy-lang/smithy-typescript/releases)
- [Changelog](https://github.com/smithy-lang/smithy-typescript/blob/main/packages/signature-v4/CHANGELOG.md)
- [Commits](https://github.com/smithy-lang/smithy-typescript/commits/@smithy/[email protected]/packages/signature-v4)

---
updated-dependencies:
- dependency-name: "@smithy/signature-v4"
  dependency-version: 5.3.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

src/typescript/package-lock.json

@@ -61,7 +61,7 @@
     "@aws-sdk/protocol-http": "^3.374.0",
     "@aws-sdk/types": "^3.840.0",
     "@modelcontextprotocol/sdk": "^1.20.0",
-    "@smithy/signature-v4": "^5.3.0",
+    "@smithy/signature-v4": "^5.3.2",
     "winston": "^3.17.0"
   }
 }