Changes the rescue clause to also handle EPERM.
This fixes the issue of cask upgrades/reinstalls to failing due to
permissions [1]. It's worth noting though, the prompt for allowing App
Management permissions does not seem to occur, so that's something else
to be investigated.
1. https://github.com/Homebrew/homebrew-cask/issues/148253
Signed-off-by: Ismayil Mirzali <ismayilmirzeli@gmail.com>
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