libremidi 3.0 -> 4.2.3 https://repology.org/project/libremidi/versions
attrpath: libremidi
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There might already be an open PR for this update:
- libremidi: 3.0 -> 4.2.3 + refactor
  URL "https://api.github.com/repos/NixOS/nixpkgs/issues/255863"