Bump src/health_manager_next:

David Sabeti and Maria Shaldibina (3):
      Fix HM deleting apps in update desired state
      Revert "Refactor droplet intervals"
      Revert "Share the config between classes"

Maria Shaldibina (1):
      Update droplets desired state in bulk requests callback

Maria Shaldibina and Mark Rushakoff (9):
      Remove extra instances listener
      Remove on_exit_dea listener
      Refactor and add tests to Harmonizer#on_extra_instances
      Remove exit_stopped listener
      Remove on_exit_crashed listener
      Remove on_droplet_updated listener
      Remove ALL listeners
      Share the config between classes
      Refactor droplet intervals