Bump regex from 1.3.6 to 1.3.7
Bump regex from 1.3.6 to 1.3.7

Bumps [regex](https://github.com/rust-lang/regex) from 1.3.6 to 1.3.7.
- [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/1.3.6...regex-1.3.7)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
xd009642/tarpaulin,xd009642/tarpaulin