Update Request: calibre 9.6 → 9.7

[theEpicjosh]

Nixpkgs version

• Unstable (26.05)

Package name

calibre

Upstream version

9.7

Nixpkgs version

9.6

Changelog

https://calibre-ebook.com/whats-new

Additional context

No response

Notify maintainers

@pSub @sempiternal-aurora

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[azban]

#508615