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

[Debian testing autoremoval watch]

ruby-graphviz 1.2.5-2 is marked for autoremoval from testing on 2022-11-08

It is affected by these RC bugs:
1019627: ruby-graphviz: FTBFS with ruby3.1: ERROR: Test "ruby3.1" failed.
 https://bugs.debian.org/1019627



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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