fix: relax starlette version requirement to resolve FastAPI conflict

[umayado17]

Description

This PR addresses the dependency conflict between Starlette versions required by core dependencies and FastAPI server features by relaxing the version constraints in pyproject.toml.

Changes Made

Modified pyproject.toml to update Starlette version requirement:

- starlette = "^0.37.2"
+ starlette = ">=0.37.2,<0.42.0"

Problem Solved

• Resolves dependency conflicts between core Starlette requirement and FastAPI's Starlette requirement
• Eliminates pip installation warnings while maintaining compatibility
• Allows both core functionality and server features to work without version conflicts

Testing Done

• Verified clean installation without dependency warnings
• Tested core functionality remains intact
• Confirmed server features work correctly with new version constraint

Related Issue

Closes #1505

[KillianLucas]

Great fix, thanks @umayado17! Merging.