build(deps-dev): bump singer-sdk[testing] from 0.44.2 to 0.48.1

Bumps [singer-sdk[testing]](https://github.com/meltano/sdk) from 0.44.2 to 0.48.1.
- [Release notes](https://github.com/meltano/sdk/releases)
- [Changelog](https://github.com/meltano/sdk/blob/main/CHANGELOG.md)
- [Commits](meltano/sdk@v0.44.2...v0.48.1)

---
updated-dependencies:
- dependency-name: singer-sdk[testing]
  dependency-version: 0.48.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pyproject.toml

@@ -36,7 +36,7 @@ tap-dbt-artifacts = 'tap_dbt_artifacts.tap:TapDbtArtifacts.cli'
 [dependency-groups]
 dev = [
     "pytest==8.4.2",
-    "singer-sdk[testing]==0.44.2",
+    "singer-sdk[testing]==0.48.1",
 ]
 [tool.hatch.build.targets.wheel]
 packages = [