Update haml requirement from ~> 4.0.0 to >= 4.0, < 5.2#4

dependabot[bot] wants to merge 1 commit intomasterportly/pairish:masterfrom

dependabot/bundler/haml-gte-4.0-and-lt-5.2portly/pairish:dependabot/bundler/haml-gte-4.0-and-lt-5.2Copy head branch name to clipboard