deps: bump the pip-dependencies group across 1 directory with 4 updates

Updates the requirements on [pytest](https://github.com/pytest-dev/pytest), [ruff](https://github.com/astral-sh/ruff), [ipykernel](https://github.com/ipython/ipykernel) and [pytest-cov](https://github.com/pytest-dev/pytest-cov) to permit the latest version.

Updates `pytest` to 9.0.0
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@8.2.2...9.0.0)

Updates `ruff` to 0.14.4
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.12.0...0.14.4)

Updates `ipykernel` to 7.1.0
- [Release notes](https://github.com/ipython/ipykernel/releases)
- [Changelog](https://github.com/ipython/ipykernel/blob/main/CHANGELOG.md)
- [Commits](ipython/ipykernel@v6.29.5...v7.1.0)

Updates `pytest-cov` to 7.0.0
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-cov@v6.0.0...v7.0.0)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 9.0.0
  dependency-type: direct:development
  dependency-group: pip-dependencies
- dependency-name: ruff
  dependency-version: 0.14.4
  dependency-type: direct:development
  dependency-group: pip-dependencies
- dependency-name: ipykernel
  dependency-version: 7.1.0
  dependency-type: direct:development
  dependency-group: pip-dependencies
- dependency-name: pytest-cov
  dependency-version: 7.0.0
  dependency-type: direct:development
  dependency-group: pip-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pyproject.toml

@@ -25,18 +25,18 @@ scikit-learn = "^1.5.2"
 PyQt5 = "^5.15.11"
 
 [tool.poetry.group.dev.dependencies]
-pytest = "^8.2.2"
+pytest = "^9.0.0"
 mypy = "^1.10.1"
-ruff = "^0.12.0"
+ruff = "^0.14.4"
 pre-commit = "^4.1.0"
 pyyaml = "^6.0.1"
 matplotlib = "^3.9.1"
-ipykernel = "^6.29.5"
+ipykernel = "^7.1.0"
 hypothesis = "^6.122.1"
 scipy-stubs = "^1.15.2"
 types-pyyaml = "^6.0.12"
 microsoft-python-type-stubs = {git = "https://github.com/microsoft/python-type-stubs.git"}
-pytest-cov = "^6.0.0"
+pytest-cov = "^7.0.0"
 
 
 [tool.ruff]