build(deps): bump regex from 1.8.0 to 1.9.4

Bumps [regex](https://github.com/rust-lang/regex) from 1.8.0 to 1.9.4.
- [Release notes](https://github.com/rust-lang/regex/releases)
- [Changelog](https://github.com/rust-lang/regex/blob/master/CHANGELOG.md)
- [Commits](rust-lang/regex@1.8.0...1.9.4)

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

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

Author: dependabot[bot]

Cargo.lock

@@ -15,7 +15,7 @@ homepage = "https://scaphandre.hubblo.org"
 loggerv = "0.7"
 log = "0.4"
 clap = { version = "4.2", features = ["cargo", "derive"] }
-regex = "1.7"
+regex = "1.9"
 riemann_client = { version = "0.9.0", optional = true }
 hostname = "0.3.1"
 protobuf = "2.28.0"