[bug] Dependency warning on deprecated pkg_resources

[prnvkv]

Describe the bug
When we import guardrails and start it, immediately after starting, we get this harmless message:

.venv/lib/python3.12/site-packages/guardrails/hub/install.py:6: UserWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html. The pkg_resources package is slated for removal as early as 2025-11-30. Refrain from using this package or pin to Setuptools<81.
  import pkg_resources

To Reproduce
Steps to reproduce the behavior:
guard = Guard().use()

Expected behavior
No warning

Library version:
Version (e.g. 0.6.0)

Additional context
Add any other context about the problem here.