Merge pull request #1403 from Open-Source-Legal/dependabot/pip/httpx-gte-0.28.1-and-lt-1

Update httpx requirement from <1,>=0.27.0 to >=0.28.1,<1

Author: JSv4

requirements/base.txt

@@ -11,7 +11,7 @@ cryptography==47.0.0  # https://github.com/pyca/cryptography
 pydantic==2.*
 typing-extensions==4.*  # https://github.com/python/typing_extensions
 requests>=2.33.1,<3  # https://requests.readthedocs.io/en/latest/
-httpx>=0.27.0,<1  # https://github.com/encode/httpx - async HTTP for agent tools
+httpx>=0.28.1,<1  # https://github.com/encode/httpx - async HTTP for agent tools
 tokenizers>=0.21,<0.23  # Pin to prevent conflicts with transformers