Bump regex-syntax from 0.6.19 to 0.6.20 (#384)
Bump regex-syntax from 0.6.19 to 0.6.20 (#384)

Bumps [regex-syntax](https://github.com/rust-lang/regex) from 0.6.19 to 0.6.20.
- [Release notes](https://github.com/rust-lang/regex/releases)
- [Changelog](https://github.com/rust-lang/regex/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rust-lang/regex/compare/regex-syntax-0.6.19...regex-syntax-0.6.20)

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

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
alex/csv-sql