Update pytest requirement from ^7.4.1 to >=7.4.1,<9.0.0

Updates the requirements on [pytest](https://github.com/pytest-dev/pytest) to permit the latest version.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@7.4.1...8.1.1)

---
updated-dependencies:
- dependency-name: pytest
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

pyproject.toml

@@ -19,7 +19,7 @@ kubernetes = ">=27.2.0,<30"
 black = "^23.7.0"
 flake8 = "^6.1.0"
 coverage = "^7.3.1"
-pytest = "^7.4.1"
+pytest = ">=7.4.1,<9.0.0"
 snakemake = {git = "https://github.com/snakemake/snakemake.git"}
 snakemake-storage-plugin-s3 = "^0.2.7"