chore(deps): update pytest-asyncio requirement from <1 to <2

Updates the requirements on [pytest-asyncio](https://github.com/pytest-dev/pytest-asyncio) to permit the latest version.
- [Release notes](https://github.com/pytest-dev/pytest-asyncio/releases)
- [Commits](pytest-dev/pytest-asyncio@v0.1.1...v1.1.0)

---
updated-dependencies:
- dependency-name: pytest-asyncio
  dependency-version: 1.1.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements/testing.txt

@@ -1,7 +1,7 @@
 # pip install -r requirements/testing.txt
 aiohttp<4  # used for a WebSocket server mock
 pytest>=7.0.1,<9
-pytest-asyncio<1  # for async
+pytest-asyncio<2  # for async
 pytest-cov>=2,<7
 # while flake8 5.x have issues with Python 3.12, flake8 6.x requires Python >= 3.8.1,
 # so 5.x should be kept in order to stay compatible with Python 3.6/3.7