CLSA-2024-1717693112 python3: Fix of 3 CVEs

Remove -b option, use original maintainer approach - Fix expat regression tests for xmletree - CVE-2022-48564: Improve validation of Plist files that prevent DoS - CVE-2023-40217: Fix TLS handshake bypass - CVE-2023-27043: reject malformed addresses in email.parseaddr...