chore(deps): Bump singer-sdk in the runtime-dependencies group (#30)

Bumps the runtime-dependencies group with 1 update: [singer-sdk](https://github.com/meltano/sdk).


Updates `singer-sdk` from 0.53.5 to 0.53.6
- [Release notes](https://github.com/meltano/sdk/releases)
- [Changelog](https://github.com/meltano/sdk/blob/main/CHANGELOG.md)
- [Commits](meltano/sdk@v0.53.5...v0.53.6)

---
updated-dependencies:
- dependency-name: singer-sdk
  dependency-version: 0.53.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: runtime-dependencies
...

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

Author: dependabot[bot]

pyproject.toml

@@ -22,7 +22,7 @@ license = "Apache-2.0"
 license-files = [ "LICENSE" ]
 requires-python = ">=3.10"
 dependencies = [
-    "singer-sdk~=0.53.5",
+    "singer-sdk~=0.53.6",
     "requests~=2.33.0",
     "tomli>=2.4.0 ; python_full_version < '3.11'",
     "typing-extensions>=4.5.0; python_version < '3.13'",