Bump rdiscount from 1.6.8 to 2.2.7.4#8

dependabot[bot] wants to merge 1 commit intomastermodl/modl.github.io:masterfrom

dependabot/bundler/rdiscount-2.2.7.4modl/modl.github.io:dependabot/bundler/rdiscount-2.2.7.4Copy head branch name to clipboard