build(deps): bump thiserror from 1.0.19 to 1.0.20 (#82)
build(deps): bump thiserror from 1.0.19 to 1.0.20 (#82)

Bumps [thiserror](https://github.com/dtolnay/thiserror) from 1.0.19 to 1.0.20.
- [Release notes](https://github.com/dtolnay/thiserror/releases)
- [Commits](https://github.com/dtolnay/thiserror/compare/1.0.19...1.0.20)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>

Co-authored-by: dependabot-preview[bot] <6a4c1c4838f800d1998274cd5234e1f65c55e90c@users.noreply.github.com>
williballenthin/Lancelot