chore: bump pytest-cov from 6.3.0 to 7.1.0

Bumps [pytest-cov](https://github.com/pytest-dev/pytest-cov) from 6.3.0 to 7.1.0.
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-cov@v6.3.0...v7.1.0)

---
updated-dependencies:
- dependency-name: pytest-cov
  dependency-version: 7.1.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

pyproject.toml

@@ -49,7 +49,7 @@ twyn = "twyn.cli:entry_point"
 dev = [
     "pytest<9.0.0,>=7.1.3",
     "mypy>=0.982,<1.20",
-    "pytest-cov<7,>=4",
+    "pytest-cov>=4,<8",
     "ruff>=0.5.1,<0.15.7",
     "types-requests<3.0.0.0,>=2.32.4.20250611",
     "types-python-dateutil>=2.9.0.20250809",