Bump the python-dependencies group with 2 updates (#35)

Bumps the python-dependencies group with 2 updates: [ruff](https://github.com/astral-sh/ruff) and [ty](https://github.com/astral-sh/ty).


Updates `ruff` from 0.15.4 to 0.15.5
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.15.4...0.15.5)

Updates `ty` from 0.0.19 to 0.0.21
- [Release notes](https://github.com/astral-sh/ty/releases)
- [Changelog](https://github.com/astral-sh/ty/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ty@0.0.19...0.0.21)

---
updated-dependencies:
- dependency-name: ruff
  dependency-version: 0.15.5
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: python-dependencies
- dependency-name: ty
  dependency-version: 0.0.21
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: python-dependencies
...

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

Author: dependabot[bot]

pyproject.toml

@@ -85,7 +85,7 @@ dev = [
     "pytest==9.0.2",
     "pytest-snapshot==0.9.0",
     "pytest-cov==7.0.0",
-    "ruff==0.15.4",
-    "ty==0.0.19",
+    "ruff==0.15.5",
+    "ty==0.0.21",
     "mypy==1.19.1",
 ]