[DRE-maint] ruby-barby is marked for autoremoval from testing

[Debian testing autoremoval watch]

ruby-barby 0.6.8+dfsg-2 is marked for autoremoval from testing on 2023-11-25

It is affected by these RC bugs:
1054752: ruby-barby: FTBFS: ERROR: Test "ruby3.1" failed: NoMethodError: undefined method `background_color=' for #<Barby::RmagickOutputter:0x00007febc3e42328 @barcode=#<RmagickTestBarcode:0x00007febc3e42350 @data="10110011100011110000">, @encoding="10110011100011110000">
 https://bugs.debian.org/1054752



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https://salsa.debian.org/release-team/release-tools/-/blob/master/mailer/mail_autoremovals.pl

Autoremoval data is generated by:
https://salsa.debian.org/qa/udd/-/blob/master/udd/testing_autoremovals_gatherer.pl