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

Bumps the development-dependencies group with 2 updates: [mypy](https://github.com/python/mypy) and [pytest](https://github.com/pytest-dev/pytest).


Updates `mypy` from 1.8.0 to 1.9.0
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.8.0...1.9.0)

Updates `pytest` from 8.1.0 to 8.1.1
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@8.1.0...8.1.1)

---
updated-dependencies:
- dependency-name: mypy
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: development-dependencies
- dependency-name: pytest
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: development-dependencies
...

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

pyproject.toml

@@ -18,9 +18,9 @@ plotly = "^5.19.0"
 
 [tool.poetry.group.dev.dependencies]
 black = "^24.2.0"
-mypy = "^1.8"
+mypy = "^1.9"
 pre-commit = "^3.5.0"
-pytest = "^8.1.0"
+pytest = "^8.1.1"
 liccheck = "^0.9.2"
 
 [tool.liccheck]