deps(deps-dev): bump the python-development group with 4 updates

Bumps the python-development group with 4 updates: [boto3-stubs](https://github.com/youtype/mypy_boto3_builder), [pytest-cov](https://github.com/pytest-dev/pytest-cov), [ruff](https://github.com/astral-sh/ruff) and [types-openpyxl](https://github.com/typeshed-internal/stub_uploader).


Updates `boto3-stubs` from 1.42.68 to 1.42.73
- [Release notes](https://github.com/youtype/mypy_boto3_builder/releases)
- [Commits](https://github.com/youtype/mypy_boto3_builder/commits)

Updates `pytest-cov` from 7.0.0 to 7.1.0
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-cov@v7.0.0...v7.1.0)

Updates `ruff` from 0.15.6 to 0.15.7
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.15.6...0.15.7)

Updates `types-openpyxl` from 3.1.5.20260316 to 3.1.5.20260322
- [Commits](https://github.com/typeshed-internal/stub_uploader/commits)

---
updated-dependencies:
- dependency-name: boto3-stubs
  dependency-version: 1.42.73
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: python-development
- dependency-name: pytest-cov
  dependency-version: 7.1.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: python-development
- dependency-name: ruff
  dependency-version: 0.15.7
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: python-development
- dependency-name: types-openpyxl
  dependency-version: 3.1.5.20260322
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: python-development
...

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

Author: dependabot[bot]

pyproject.toml

@@ -39,7 +39,7 @@ dev = [
   "mypy==1.19.*",
   "pre-commit==4.5.*",
   "pytest==9.0.*",
-  "pytest-cov==7.0.*",
+  "pytest-cov==7.1.*",
   "pytest-deadfixtures==3.1.*",
   "pytest-django==4.12.*",
   "pytest-mock==3.15.*",