Bump pytest from 6.2.5 to 7.2.1

Bumps [pytest](https://github.com/pytest-dev/pytest) from 6.2.5 to 7.2.1.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@6.2.5...7.2.1)

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

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

Author: dependabot[bot]

Diff for: requirements.txt

@@ -2,7 +2,7 @@ blobtoolkit-core==0.1.0
 docopt==0.6.2
 psutil==5.9.4
 pysam==0.19.1
-pytest==6.2.5
+pytest==7.2.1
 pytest_mock==3.7.0
 PyYAML==6.0
 setuptools==65.6.3