agent-platform release v4.9.1

Fixed

• (meta) The hook identity is policed by the chart and the storage-version backup no longer lists every Helm release Secret with its payload — every hook Job gets a network policy as a hook object (cilium + kubernetes flavours), the release scan goes through the server-side Table one Secret at a time (#413, #414) in #415 by @teemow

Full Changelog: https://github.com/giantswarm/agent-platform/compare/v4.9.0...v4.9.1