feat: automate maintenance shutdown of Rosetta (issue #2297)

tasks/rosetta/configure_maintenance.yml

tasks/rosetta/main_rosetta.yml

...l/lib/systemd/system/rosetta_maintenance_begin.service.j2

...cal/lib/systemd/system/rosetta_maintenance_begin.timer.j2

...local/lib/systemd/system/rosetta_maintenance_end.timer.j2