sysutils/py-mitogen: Update to 0.3.53

Adds Python 3.15 support, Ansible 14 support, sudo and dnf/dnf5 fixes

Changelog: https://github.com/mitogen-hq/mitogen/blob/master/docs/changelog.rst#v0353-2026-09-02
Sponsored by: SkunkWerks, GmbH

Reported by: portscout
Sponsored by: SkunkWerks, GmbH