SUSE-SU-2025:21168-1 Security update for python-cbor2

This update for python-cbor2 fixes the following issues: - CVE-2025-64076: Fixed bug in decodedefinitelongstring that causes incorrect chunk length calculation bsc1253746. Already fixed in release 5.6.3: - CVE-2024-26134: Fixed potential crash when hashing a CBORTag bsc1220096...