Update pytest requirement from <7 to <8 (#148)

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@1.0.0b3...7.1.2)

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

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

setup.py

@@ -13,7 +13,7 @@
 exec(open("cwl_utils/__meta__.py").read())
 
 needs_pytest = {"pytest", "test", "ptr"}.intersection(sys.argv)
-pytest_runner: List[str] = ["pytest < 7", "pytest-runner"] if needs_pytest else []
+pytest_runner: List[str] = ["pytest < 8", "pytest-runner"] if needs_pytest else []
 setup(
     name="cwl-utils",
     version=__version__,  # type: ignore

test-requirements.txt

@@ -1,3 +1,3 @@
-pytest < 7
+pytest < 8
 pytest-cov
 pytest-xdist