Security update for gpg2

This update for gpg2 fixes the following issues: CVE-2025-30258: Fix a verification DoS due to a malicious subkey in the keyring: bsc1239119, bsc1236931 gpg: Fix regression for the recent malicious subkey DoS fix. gpg: Fix another regression due to the T7547 fix. gpg: Allow the use of an ADSK...