Gcr is a library for bits of crypto and security UI, parsing etc. It used
to be part of gnome-keyring. It also provides a viewer and importer for
certificates and private keys.
security/gcr: Update to 4.3.0
Move the previous version to security/gcr3 and switch consumer ports to it
PR: 282046
Approved by: vishwin
Sponsored by: Future Crew, LLC