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

[Debian testing autoremoval watch]

ruby-grape 1.5.2-2 is marked for autoremoval from testing on 2021-11-24

It (build-)depends on packages with these RC bugs:
996129: ruby-axiom-types: FTBFS with ruby3.0: ERROR: Test "ruby3.0" failed:       RuntimeError:
 https://bugs.debian.org/996129
996140: ruby-bogus: FTBFS with ruby3.0: ERROR: Test "ruby3.0" failed:       # ArgumentError:
 https://bugs.debian.org/996140
996217: ruby-dry-logic: FTBFS with ruby3.0: ERROR: Test "ruby3.0" failed:      ArgumentError:
 https://bugs.debian.org/996217
996297: ruby-ice-nine: FTBFS with ruby3.0: ERROR: Test "ruby3.0" failed:       Failure/Error: expect(subject.end).to be_frozen
 https://bugs.debian.org/996297



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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