Bump pytest-asyncio from 0.21.1 to 0.23.3 in /server

Bumps [pytest-asyncio](https://github.com/pytest-dev/pytest-asyncio) from 0.21.1 to 0.23.3.
- [Release notes](https://github.com/pytest-dev/pytest-asyncio/releases)
- [Commits](pytest-dev/pytest-asyncio@v0.21.1...v0.23.3)

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

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

server/requirements.txt

@@ -47,7 +47,7 @@ isort==5.12.0
 flake8==6.1.0
 pytest==7.4.4
 pytest-django==4.5.2
-pytest-asyncio==0.21.1
+pytest-asyncio==0.23.3
 pytest-cov==4.1.0
 pytest-rerunfailures==12.0
 aioresponses==0.7.4