[deps] Update pytest-asyncio requirement from ~=0.23.8 to ~=0.24.0

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@v0.23.8...v0.24.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

requirements-test.txt

@@ -1,5 +1,5 @@
 pytest-django~=4.8.0
-pytest-asyncio~=0.23.8
+pytest-asyncio~=0.24.0
 pytest-cov~=5.0.0
 responses~=0.25.3
 openwisp-utils[qa]~=1.1.0