deps: update dependency pytest-cov to v5 (#371)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [pytest-cov](https://github.com./pytest-dev/pytest-cov)
([changelog](https://pytest-cov.readthedocs.io/en/latest/changelog.html))
| `>=4.1.0,<4.2` -> `>=5,<5.1` |
[![age](https://developer.mend.io/api/mc/badges/age/pypi/pytest-cov/5.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
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|
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|
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|

---

### Release Notes

<details>
<summary>pytest-dev/pytest-cov (pytest-cov)</summary>

###
[`v5.0.0`](https://github.com./pytest-dev/pytest-cov/blob/HEAD/CHANGELOG.rst#500-2024-03-24)

[Compare
Source](https://github.com./pytest-dev/pytest-cov/compare/v4.1.0...v5.0.0)

-   Removed support for xdist rsync (now deprecated).
Contributed by Matthias Reichenbach in `#&#8203;623
<https://github.com./pytest-dev/pytest-cov/pull/623>`\_.
-   Switched docs theme to Furo.
-   Various legacy Python cleanup and CI improvements.
    Contributed by Christian Clauss and Hugo van Kemenade in
    `#&#8203;630 <https://github.com./pytest-dev/pytest-cov/pull/630>`*,
    `#&#8203;631 <https://github.com./pytest-dev/pytest-cov/pull/631>`*,
`#&#8203;632 <https://github.com./pytest-dev/pytest-cov/pull/632>`\_ and
    `#&#8203;633 <https://github.com./pytest-dev/pytest-cov/pull/633>`\_.
-   Added a `pyproject.toml` example in the docs.
Contributed by Dawn James in `#&#8203;626
<https://github.com./pytest-dev/pytest-cov/pull/626>`\_.
- Modernized project's pre-commit hooks to use ruff. Initial POC
contributed by
Christian Clauss in `#&#8203;584
<https://github.com./pytest-dev/pytest-cov/pull/584>`\_.

</details>

---

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setup.py

@@ -54,7 +54,7 @@
             "coverage>=7.4,<7.5",
             "pylint>=3,<3.2",
             "pytest>=8,<8.2",
-            "pytest-cov>=4.1.0,<4.2",
+            "pytest-cov>=5,<5.1",
             "mypy>=1.9,<1.10",
             "types-python-dateutil",
             "types-requests",