Bump src/health_manager_next:

Alan Moran and Gregg Van Hove (1):
      health manager uses cf-message-bus gem [#49434789]

Alex Choi and Gregg Van Hove (1):
      pull out heartbeat into its own class
Bump src/collector:

Mark Rushakoff and Tony Hansmann (1):
      Fix require order so bin/collector correctly logs