muster release v5.34.13-rc.2

Fixed

• (test) Serve the Valkey stand-in on its reserved listener in #1384 by @teemow
• (oauth) Keep a forwarded token’s session across a refresh in #1385 by @teemow

Full Changelog: https://github.com/giantswarm/muster/compare/v5.34.12...v5.34.13-rc.2