agent-platform release v4.30.1

Changed

• (verify-target) Drop the golden-side controller VPA hold — origin/main carries #455, so deleting kagent.controller.vpa on one side is what makes the renders drift in #530 by @fiunchinho

Full Changelog: https://github.com/giantswarm/agent-platform/compare/v4.30.0...v4.30.1