agent-platform release v4.120.0

Added

• (presets) Publish the preset catalog with model serving off in #850 by @teemow

Changed

• (docs) List the callers every MCP backend must admit in #849 by @teemow
• Align files according to platform standards in #845 by @giantswarm-align-files[bot]

Full Changelog: https://github.com/giantswarm/agent-platform/compare/v4.119.1...v4.120.0