Update pytest-cov requirement from <5,>=4.1.0 to >=4.1.0,<8

Updates the requirements on [pytest-cov](https://github.com/pytest-dev/pytest-cov) to permit the latest version.
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-cov@v4.1.0...v7.0.0)

---
updated-dependencies:
- dependency-name: pytest-cov
  dependency-version: 7.0.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pyproject.toml

@@ -71,7 +71,7 @@ dev = [
     "coverage",
     "ruff>=0.9.3,<1",
     "pytest~=8.3",
-    "pytest-cov>=4.1.0,<5",
+    "pytest-cov>=4.1.0,<8",
     "pytest-recording>=0.13.1,<0.14",
     "pytest-black",
     "vcrpy>=6.02",