Add migration guide for #9718 (#10578)

[cabal.git] / cabal-testsuite / PackageTests / Check / NonConfCheck / PackageVersionsInternalSimple / cabal.out

# cabal check
These warnings may cause trouble when distributing the package:
Warning: [missing-upper-bounds] On executable 'prova', these packages miss upper bounds:
  - acme-box
Please add them. There is more information at https://pvp.haskell.org/