cups/http-support.c: Apply DigestOptions to RFC 2069 support
cups/http-support.c: Apply DigestOptions to RFC 2069 support

Earlier we applied DigestOptions only for devices which implement RFC
2617 or RFC 7616, this commit applies it even for RFC 2069 support.

This issue came up during CentOS Stream/RHEL 9 development, where MD5
digest is marked as insecure for authentication/authorization, so it
should be turned off in default configurations to prevent security
issues.

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