*cups*: update to 2.4.6

CUPS 2.4.6 is released to ship the fix for the latest CVE -
CVE-2023-34241 - and two other bug fixes.

Detailed list:

    Fix linking error on old MacOS (Issue #715)
    Fix printing multiple files on specific printers (Issue #643)
    Fix use-after-free when logging warnings in case of failures
    in cupsdAcceptClient() (fixes CVE-2023-34241)

CUPS 2.4.5 is a hotfix release for a bug which corrupted locally
saved certificates, which broke secured printing via TLS after the
first print job.

We're sorry for the inconvenience and enjoy the hotfix!

(wiz)