fix required ruby version
fix required ruby version

origami/lounge,fzawa/sup-lodge,koyashy/lodge,koyashy/lodge,origami/lounge,lodge/lodge,j138/lodge,lodge/lodge,j138/lodge,lodge/lodge,lodge/lodge,koyashy/lodge,fzawa/sup-lodge,origami/lounge,j138/lodge,fzawa/sup-lodge,koyashy/lodge,j138/lodge-docker,j138/lodge-docker,tanaka-yoshi10/lodge,j138/lodge-docker,origami/lounge,j138/lodge-docker,tanaka-yoshi10/lodge,tanaka-yoshi10/lodge,j138/lodge,tanaka-yoshi10/lodge,fzawa/sup-lodge