Bump src/dea_next:

Alex Suraci and Gregg Van Hove (1):
      improve #to_s for upload/download errors

Jon Stevens (4):
      Fix Java buildpack pointer
      Revert "fix typo and update specs for logging"
      Revert "decommafy"
      Revert "switch all logging over to 'topic' style"

Jon Stevens and Mark Rushakoff (1):
      Revert "improve #to_s for upload/download errors"