SUSE-SU-2026:1937-1 Security update for python3

This update for python3 fixes the following issue: - CVE-2026-1502: HTTP client proxy tunnel headers not validated for CR/LF bsc1261969. - CVE-2026-3446: base64 decoding stops at first padded quad by default and ignores other information that could be processed bsc1261970. - CVE-2026-4786: URLs...