cargo: bump regex from 1.5.6 to 1.6.0

Bumps [regex](https://github.com/rust-lang/regex) from 1.5.6 to 1.6.0.
- [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/1.5.6...1.6.0)

---
updated-dependencies:
- dependency-name: regex
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Cargo.toml

@@ -54,7 +54,7 @@ quick-xml = "0.23"
 r2d2 = "0.8"
 r2d2_sqlite = "0.20"
 rand = "0.8"
-regex = "1.5"
+regex = "1.6"
 rusqlite = { version = "0.27", features = ["sqlcipher"] }
 rust-hsluv = "0.1"
 rustyline = { version = "9", optional = true }