add redirect to update-deps.sh
add redirect to update-deps.sh

Add -L and point the URLs (which will redirect; githubusercontent.com is the implementation detail at this point).
so-fancy/diff-so-fancy,scottchiefbaker/diff-so-fancy,scottchiefbaker/diff-so-fancy,volker-fr/diff-so-fancy,volker-fr/diff-so-fancy,so-fancy/diff-so-fancy