ormolu 0.5.0.1 -> 0.7.1.0 https://repology.org/project/ormolu/versions
attrpath: ormolu
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There might already be an open PR for this update:
- Frozen haskellPackages set for 21.05 to ease backporting bug fix releases
  URL "https://api.github.com/repos/NixOS/nixpkgs/issues/138407"