resolver: lts-19.30

packages:
- github: tweag/distributed-closure
  commit: b92e75ec81e646703c7bde4f578a7352ee34f1ad
- github: ekmett/exceptions
  commit: d7b742dc129790778f7b6d3347af80c8d69f8fcd
- github: tweag/linear-base
  commit: ec0b5aa6dc89f1d7c7e368b7387e363a5062e52d
