Bump the regular-updates group across 1 directory with 3 updates

Bumps the regular-updates group with 3 updates in the / directory: [python-dotenv](https://github.com/theskumar/python-dotenv), [ruff](https://github.com/astral-sh/ruff) and [ty](https://github.com/astral-sh/ty).


Updates `python-dotenv` from 1.2.2 to 1.2.3
- [Release notes](https://github.com/theskumar/python-dotenv/releases)
- [Changelog](https://github.com/theskumar/python-dotenv/blob/main/CHANGELOG.md)
- [Commits](theskumar/python-dotenv@v1.2.2...v1.2.3)

Updates `ruff` from 0.16.2 to 0.16.4
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.16.2...0.16.4)

Updates `ty` from 0.0.69 to 0.0.73
- [Release notes](https://github.com/astral-sh/ty/releases)
- [Changelog](https://github.com/astral-sh/ty/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ty@0.0.69...0.0.73)

---
updated-dependencies:
- dependency-name: python-dotenv
  dependency-version: 1.2.3
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: regular-updates
- dependency-name: ruff
  dependency-version: 0.16.4
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: regular-updates
- dependency-name: ty
  dependency-version: 0.0.73
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: regular-updates
...

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Author: dependabot[bot]