chore(deps): update dependency pytest-cov to v6.1.0 (#788)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [pytest-cov](https://redirect.github.com/pytest-dev/pytest-cov)
([changelog](https://pytest-cov.readthedocs.io/en/latest/changelog.html))
| `==6.0.0` -> `==6.1.0` |
[![age](https://developer.mend.io/api/mc/badges/age/pypi/pytest-cov/6.1.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/pypi/pytest-cov/6.1.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/pypi/pytest-cov/6.0.0/6.1.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/pypi/pytest-cov/6.0.0/6.1.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

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

###
[`v6.1.0`](https://redirect.github.com/pytest-dev/pytest-cov/blob/HEAD/CHANGELOG.rst#610-2025-04-01)

[Compare
Source](https://redirect.github.com/pytest-dev/pytest-cov/compare/v6.0.0...v6.1.0)

- Change terminal output to use full width lines for the coverage
header.
Contributed by Tsvika Shapira in `#&#8203;678
<https://github.com/pytest-dev/pytest-cov/pull/678>`\_.
- Removed unnecessary CovFailUnderWarning. Fixes `#&#8203;675
<https://github.com/pytest-dev/pytest-cov/issues/675>`\_.
- Fixed the term report not using the precision specified via
`--cov-precision`.

</details>

---

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requirements-test.txt

@@ -1,6 +1,6 @@
 pytest==8.3.5
 pytest-pep8==1.0.6
-pytest-cov==6.0.0
+pytest-cov==6.1.0
 pytest-aiohttp==1.1.0
 responses==0.25.7
 pytest_httpserver >= 1.1.2