Bump github.com/mattn/go-isatty from 0.0.17 to 0.0.18

Bumps github.com/mattn/go-isatty from 0.0.17 to 0.0.18.

Commits

• 72a590e Merge pull request #82 from dolmen-go/upgrade-x-sys-tagged
• c84e2cc Merge pull request #83 from dolmen-go/ci-add-go1.20
• 77d7704 CI: add Go 1.20
• 1f92190 CI: drop Go 1.15, 1.16
• ddec212 deps: use a tagged version of golang.org/x/sys
• See full diff in compare view