Update pytest requirement from ==7.* to ==8.*

[dependabot[bot]]

Updates the requirements on pytest to permit the latest version.

Release notes

Sourced from pytest's releases.

pytest 8.0.0 (2024-01-27)

See 8.0.0rc1 and 8.0.0rc2 for the full changes since pytest 7.4!

Bug Fixes

• #11842: Properly escape the reason of a skip <pytest.mark.skip ref>{.interpreted-text role="ref"} mark when writing JUnit XML files.
• #11861: Avoid microsecond exceeds 1_000_000 when using log-date-format with %f specifier, which might cause the test suite to crash.

Commits

• 478f823 Prepare release version 8.0.0
• 6085900 [8.0.x] fix: avoid rounding microsecond to 1_000_000 (#11863)
• 3b41c65 [8.0.x] Escape skip reason in junitxml (#11845)
• 747072a [8.0.x] Update docstring of scripts/generate-gh-release-notes.py (#11768)
• 011a475 Properly attach packages to the GH release notes (#11839) (#11840)
• 97960bd Merge pull request #11835 from pytest-dev/release-8.0.0rc2
• 6be0a3c Prepare release version 8.0.0rc2
• 44ffe07 Merge pull request #11837 from pytest-dev/backport-11836-to-8.0.x
• 14ecb04 [8.0.x] testing: temporarily disable test due to hypothesis issue
• 41c8dab Merge pull request #11831 from bluetech/backport-11825-to-8.0.x
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