Bump pytest-testinfra from 7.0.0 to 8.0.0 in /test

Bumps [pytest-testinfra](https://github.com/pytest-dev/pytest-testinfra) from 7.0.0 to 8.0.0.
- [Release notes](https://github.com/pytest-dev/pytest-testinfra/releases)
- [Changelog](https://github.com/pytest-dev/pytest-testinfra/blob/main/CHANGELOG.rst)
- [Commits](https://github.com/pytest-dev/pytest-testinfra/compare/7.0.0...8.0.0)

---
updated-dependencies:
- dependency-name: pytest-testinfra
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

test/requirements.txt

@@ -1,6 +1,6 @@
 docker-compose == 1.29.2
 pytest == 7.3.1
 pytest-xdist == 3.3.1
-pytest-testinfra == 7.0.0
+pytest-testinfra == 8.0.0
 tox == 4.5.1