fixup 3bbc63e0: package-tests: git poll every 15min

          my_trigger: '{name}_buster'

          my_origin_triggers: &default_git_triggers

            - pollscm:

                cron: '* H/15 * * *'

                cron: 'H/15 * * * *'

      - buster: &distro_defaults_buster

          my_trigger: '{name}_stretch'

      - stretch: &distro_defaults_stretch {}