Update asyncio requirement from <4.0,>=3.4.3 to >=3.4.3,<5.0

Updates the requirements on [asyncio](https://github.com/python/asyncio) to permit the latest version.
- [Commits](https://github.com/python/asyncio/commits)

---
updated-dependencies:
- dependency-name: asyncio
  dependency-version: 4.0.0
  dependency-type: direct:production
...

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

requirements.txt

@@ -1,6 +1,6 @@
 torch>=2.1.1,<3.0
 transformers>=4.39.0,<4.51.0
-asyncio>=3.4.3,<4.0
+asyncio>=3.4.3,<5.0
 toml
 pypdf==5.1.0
 ratelimit==2.2.1