chore(deps-dev): Update pytest-asyncio requirement

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/v1.0.0...v1.4.0)

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

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

pyproject.toml

@@ -25,7 +25,7 @@ dev = [
     "mypy>=2.0.0,<3",
     "pre-commit>=4.6.0,<5",
     "pytest>=9.0.3,<10",
-    "pytest-asyncio>=1.0.0,<2",
+    "pytest-asyncio>=1.4.0,<2",
     "pytest-cov>=7.1.0,<8",
     "pytest-xdist>=3.8.0,<4",
     "ruff>=0.15.12,<1",