removeDirectoryRecursive:removeContentsRecursive:removePathRecursive:… failures in CI on Windows

[sjakobi]

I've seen these failures several times now:

• https://github.com/dhall-lang/dhall-haskell/runs/4239110516?check_suite_focus=true#step:5:2444

  C:\Users\runneradmin\AppData\Local\Temp\stack-eadfc3912a464ffd\pretty-simple-4.0.0.0\.stack-work\dist\274b403a\setup: removeDirectoryRecursive:removeContentsRecursive:removePathRecursive:removeContentsRecursive:removePathRecursive:removeContentsRecursive:removePathRecursive:removeContentsRecursive:removePathRecursive:removeContentsRecursive:RemoveDirectory "\\\\?\\C:\\Users\\runneradmin\\AppData\\Local\\Temp\\stack-eadfc3912a464ffd\\pretty-simple-4.0.0.0\\.stack-work\\dist\\274b403a\\setup": unsatisfied constraints (The directory is not empty.)
  

• Remove upper bounds on doctest #2332 (comment)

[sjakobi]

I've reported the issue in haskell/directory#129.

[sjakobi]

Another instance in https://github.com/dhall-lang/dhall-haskell/runs/4670096154?check_suite_focus=true.