Cryptomator 1.x for iOS is reaching EOL. The support for it has ended and therefore the repository has been archived.
Please check out Cryptomator 2 for iOS on the App Store: https://apps.apple.com/app/cryptomator-2/id1560822163
If you were actually looking for the new iOS repository, here it is: https://github.com/cryptomator/ios