chore(deps): update pytest requirement from ==7.* to ==8.*

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@7.0.0rc1...8.2.0)

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

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

requirements-testing.txt

@@ -1,7 +1,7 @@
 coverage[toml] ~= 7.2; python_version == '3.7'
 coverage[toml] == 7.*; python_version > '3.7'
 coverage-conditional-plugin == 0.9.*
-pytest == 7.*
+pytest == 8.*
 pytest-cov == 5.*
 pytest-timeout == 2.*
 pytest-xdist == 3.*