chore(deps-dev): Bump the development-dependencies group with 2 updates

Bumps the development-dependencies group with 2 updates: [ty](https://github.com/astral-sh/ty) and [types-python-dateutil](https://github.com/typeshed-internal/stub_uploader).


Updates `ty` from 0.0.18 to 0.0.19
- [Release notes](https://github.com/astral-sh/ty/releases)
- [Changelog](https://github.com/astral-sh/ty/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ty@0.0.18...0.0.19)

Updates `types-python-dateutil` from 2.9.0.20260124 to 2.9.0.20260302
- [Commits](https://github.com/typeshed-internal/stub_uploader/commits)

---
updated-dependencies:
- dependency-name: ty
  dependency-version: 0.0.19
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: development-dependencies
- dependency-name: types-python-dateutil
  dependency-version: 2.9.0.20260302
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: development-dependencies
...

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Author: dependabot[bot]