gcr4 is marked for autoremoval from testing

[Debian testing autoremoval watch]

gcr4 4.1.0-2 is marked for autoremoval from testing on 2023-09-08

It is affected by these RC bugs:
1042163: gcr4: FTBFS: # Gcr-DEBUG: completed process with error: Failed to execute child process ?/<<PKGBUILDDIR>>/gcr/fixtures/gnupg-mock/mock-invalid? (No such file or directory)
 https://bugs.debian.org/1042163



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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