Bump middleman-sprockets from 4.1.0 to 4.1.1#1

dependabot[bot] wants to merge 1 commit intodevupy/slate:devfrom

dependabot/bundler/dev/middleman-sprockets-4.1.1upy/slate:dependabot/bundler/dev/middleman-sprockets-4.1.1Copy head branch name to clipboard