chore(deps): bump singer-sdk from 0.40.0 to 0.42.1

Bumps [singer-sdk](https://github.com/meltano/sdk) from 0.40.0 to 0.42.1.
- [Release notes](https://github.com/meltano/sdk/releases)
- [Changelog](https://github.com/meltano/sdk/blob/main/CHANGELOG.md)
- [Commits](meltano/sdk@v0.40.0...v0.42.1)

---
updated-dependencies:
- dependency-name: singer-sdk
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pyproject.toml

@@ -12,13 +12,13 @@ license = "Apache-2.0"
 
 [tool.poetry.dependencies]
 python = "<3.12,>=3.8"
-singer-sdk = { version="^0.40.0" }
+singer-sdk = { version="^0.42.1" }
 fs-s3fs = { version = "^1.1.1", optional = true }
 requests = "^2.32.3"
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^8.3.3"
-singer-sdk = { version="^0.40.0", extras = ["testing"] }
+singer-sdk = { version="^0.42.1", extras = ["testing"] }
 
 [tool.poetry.extras]
 s3 = ["fs-s3fs"]