⬆️ bump poetry-plugin-dotenv from 2.3.0 to 2.4.0

Bumps [poetry-plugin-dotenv](https://github.com/pivoshenko/poetry-plugin-dotenv) from 2.3.0 to 2.4.0.
- [Release notes](https://github.com/pivoshenko/poetry-plugin-dotenv/releases)
- [Changelog](https://github.com/pivoshenko/poetry-plugin-dotenv/blob/main/CHANGELOG.md)
- [Commits](pivoshenko/poetry-plugin-dotenv@v2.3.0...v2.4.0)

---
updated-dependencies:
- dependency-name: poetry-plugin-dotenv
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>