build(deps-dev): bump pytest-cov from 3.0.0 to 6.0.0

Bumps [pytest-cov](https://github.com/pytest-dev/pytest-cov) from 3.0.0 to 6.0.0.
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-cov@v3.0.0...v6.0.0)

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

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

dev-requirements.txt

@@ -18,7 +18,7 @@ charset-normalizer==2.0.6
     # via requests
 commonmark==0.9.1
     # via recommonmark
-coverage[toml]==5.5
+coverage[toml]==7.6.4
     # via pytest-cov
 distlib==0.3.2
     # via virtualenv
@@ -64,7 +64,7 @@ pytest==6.2.5
     # via
     #   -r dev-requirements.in
     #   pytest-cov
-pytest-cov==3.0.0
+pytest-cov==6.0.0
     # via -r dev-requirements.in
 pytz==2024.1
     # via
@@ -101,11 +101,12 @@ sphinxcontrib-serializinghtml==1.1.5
     # via sphinx
 toml==0.10.2
     # via
-    #   coverage
     #   pytest
     #   tox
 tomli==1.2.1
-    # via setuptools-scm
+    # via
+    #   coverage
+    #   setuptools-scm
 tox==3.24.5
     # via -r dev-requirements.in
 urllib3==1.26.19