backstage release v0.162.3

Changed

• (ai-chat) Guard provider/core spec-version compatibility (#1948) [skip ci] in #1948 by @marians

Fixed

• (deps) Bump websocket-driver to 0.7.5 in #1950 by @marians

Full Changelog: https://github.com/giantswarm/backstage/compare/v0.162.2...v0.162.3