Bump regex from 1.4.2 to 1.4.4 in /rs#13

dependabot[bot] wants to merge 1 commit intomainephemient/aoc2020:mainfrom

dependabot/cargo/rs/regex-1.4.4ephemient/aoc2020:dependabot/cargo/rs/regex-1.4.4Copy head branch name to clipboard