6.91.0

What's Changed

• packages: update dune packages to 3.18.2 by @last-genius in #729
• packages: update ocaml-xenstore to 2.4.0 by @last-genius in #730
• Add qcow-stream and its dependencies by @last-genius in #732
• packages: update mirage-crypto to 2.0.1 by @psafont in #731
• packages: update xen-api's metadata by @psafont in #733
• packages: Add qcow-tool as xapi's dependency by @last-genius in #734
• Revert "packages: Add qcow-tool as xapi's dependency" by @last-genius in #735

Full Changelog: 6.89.0...6.91.0