[slackware-security] python3

New python3 packages are available for Slackware 15.0 to fix security issues. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/python3-3.9.22-i586-1slack15.0.txz: Upgraded. This update fixes security issues: gh-131809 and gh-131261: Upgrade vendored expat to 2.7.1...