backstage release v3.14.0

Added

• (agent-platform) Workspace editor with sources, filters and live preview by @teemow — Customize’s Workspaces tab has New workspace, and each row Edit and Sync now. The editor picks an organization’s repositories by name or by language and topic, excludes ones you don’t want, and previews what the workspace selects, with its size, before you save.

Full Changelog: https://github.com/giantswarm/backstage/compare/v3.13.0...v3.14.0