build(deps-dev): bump pytest-subtests from 0.8.0 to 0.9.0 (#1517)

Bumps [pytest-subtests](https://github.com/pytest-dev/pytest-subtests) from 0.8.0 to 0.9.0.
- [Release notes](https://github.com/pytest-dev/pytest-subtests/releases)
- [Changelog](https://github.com/pytest-dev/pytest-subtests/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-subtests@0.8.0...0.9.0)

---
updated-dependencies:
- dependency-name: pytest-subtests
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

poetry.lock

@@ -88,7 +88,7 @@ pytest = "^7.2"
 pytest-cov = "^4.0"
 pytest-randomly = "^3.12"
 pytest-mypy-plugins = "^1.9.2"
-pytest-subtests = "^0.8"
+pytest-subtests = "^0.9"
 hypothesis = "^6.56"
 
 sphinx = "^5.2"