Relax mkdirp dependency to allow newer minimist (#857)
Relax mkdirp dependency to allow newer minimist (#857)

Fixing https://www.npmjs.com/advisories/1179 by relaxing mkdirp versions range to allow 0.5.2 or 0.5.3 which contains a fix as per https://github.com/isaacs/node-mkdirp/issues/7#issuecomment-600231795
oliver-moran/jimp,oliver-moran/jimp,oliver-moran/jimp