Bump the dev-dependencies group with 2 updates

Bumps the dev-dependencies group with 2 updates: [ruff](https://github.com/astral-sh/ruff) and [pytest-cov](https://github.com/pytest-dev/pytest-cov).


Updates `ruff` from 0.9.10 to 0.11.2
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.9.10...0.11.2)

Updates `pytest-cov` from 6.0.0 to 6.1.0
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-cov@v6.0.0...v6.1.0)

---
updated-dependencies:
- dependency-name: ruff
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
- dependency-name: pytest-cov
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
...

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

Author: dependabot[bot]

requirements-dev.txt

@@ -1,3 +1,3 @@
 bump2version==1.0.1
 black==25.1.0
-ruff==0.9.10
+ruff==0.11.2

requirements.txt

@@ -17,7 +17,7 @@ pika==1.3.2
 
 # Development
 pytest==8.3.5
-pytest-cov==6.0.0
+pytest-cov==6.1.0
 click==8.1.7
 
 # File format support