backstage release v2.14.0

Added

• GPU node pools show every step after Deploy — a lifecycle panel per pool from cluster-manager’s phase, steps and readiness; the row reads the phase; polling at 10 s while unsettled in #2420 by @teemow

Full Changelog: https://github.com/giantswarm/backstage/compare/v2.13.0...v2.14.0