Bump hypothesis from 6.99.4 to 6.99.8

Bumps [hypothesis](https://github.com/HypothesisWorks/hypothesis) from 6.99.4 to 6.99.8.
- [Release notes](https://github.com/HypothesisWorks/hypothesis/releases)
- [Commits](HypothesisWorks/hypothesis@hypothesis-python-6.99.4...hypothesis-python-6.99.8)

---
updated-dependencies:
- dependency-name: hypothesis
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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