Update pytest-asyncio requirement from >=1.3.0 to >=1.4.0 (#6221)

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](https://github.com/pytest-dev/pytest-asyncio/compare/v1.3.0...v1.4.0)

---
updated-dependencies:
- dependency-name: pytest-asyncio
  dependency-version: 1.4.0
  dependency-type: direct:development
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pyproject.toml

@@ -117,7 +117,7 @@ dev = [
   "isort==8.0.*",
   "pep8-naming==0.15.*",
   "potypo",
-  "pytest-asyncio>=1.3.0",
+  "pytest-asyncio>=1.4.0",
   "pytest-cache",
   "pytest-cov",
   "pytest-django==4.*",