backstage release v2.82.1-rc.2

Changed

• (deps) Update codemirror in #2664 by @renovate[bot]

Fixed

• (gs) Read wildcard carets and hyphen ranges as Flux does in #2669 by @teemow

Full Changelog: https://github.com/giantswarm/backstage/compare/v2.82.0...v2.82.1-rc.2