Update pytest requirement from ^7.2.1 to >=7.2.1,<9.0.0 (#12)

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@7.2.1...8.0.0)

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

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

pyproject.toml

@@ -23,7 +23,7 @@ mypy = "^1.0.0"
 psycopg-binary = "^3.1.8"
 
 [tool.poetry.group.test.dependencies]
-pytest = "^7.2.1"
+pytest = ">=7.2.1,<9.0.0"
 pytest-cov = "*"
 
 [build-system]