Bump pytest-asyncio from 0.21.1 to 0.23.4

Bumps [pytest-asyncio](https://github.com/pytest-dev/pytest-asyncio) from 0.21.1 to 0.23.4.
- [Release notes](https://github.com/pytest-dev/pytest-asyncio/releases)
- [Commits](pytest-dev/pytest-asyncio@v0.21.1...v0.23.4)

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

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

requirements-dev.txt

@@ -2,7 +2,7 @@ pre-commit  # needed for pre-commit hooks in the git commit command
 
 # For the test suite
 pytest==7.4.4
-pytest-asyncio==0.21.1  # needed because pytest doesn't come with native support for coroutines as tests
+pytest-asyncio==0.23.4  # needed because pytest doesn't come with native support for coroutines as tests
 pytest-xdist==3.5.0  # xdist runs tests in parallel
 flaky  # Used for flaky tests (flaky decorator)
 beautifulsoup4  # used in test_official for parsing tg docs