chore(deps): bump github.com/go-git/go-billy/v6 from 6.0.0-20260424211911-732291493fb8 to 6.0.0-alpha.1

chore(deps): bump github.com/go-git/go-billy/v6 from 6.0.0-20260424211911-732291493fb8 to 6.0.0-alpha.1 #54