agent-platform release v4.126.0

Added

• (kagent) Follow kagent 1.8.0 (session egress without credentials) in #921 by @teemow

Fixed

• (workspace-manager) Install after the connectivity release in #919 by @teemow

Full Changelog: https://github.com/giantswarm/agent-platform/compare/v4.125.0...v4.126.0