Update pytest-asyncio requirement from <1.0 to <2.0

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] <[email protected]>

Author: dependabot[bot]

requirements_test.txt

@@ -6,7 +6,7 @@ pre-commit
 pytest-cov
 pytest-sugar
 pytest-timeout
-pytest-asyncio<1.0
+pytest-asyncio<2.0
 pytest-xdist
 pytest
 zigpy>=0.65.2