v0.48.1

@mmabrouk

What's Changed

Added .env.oss.gh.example for clearer environment configuration — @mmabrouk
Removed numpy from the sandbox environment used in custom code evaluation — @aybruhm
Updated SDK assets to replace deprecated Gemini models with the latest versions — @aybruhm
Removed automatic loading of user-defined .env files in the SDK to prevent unintended side effects — @aybruhm
Refactored tracing processor to reduce reliance on OpenTelemetry — @mmabrouk
Improved vote data handling in Human A/B Evaluation for better readability and performance — @bekossy
Added web testing coverage — @ardaerzin
Introduced programmatic access in the OSS version — @jp-agenta

Full Changelog: v0.48.0...v0.48.1