Bump regex from 1.4.3 to 1.4.4 in /clients/libredirectionio

Bumps [regex](https://github.com/rust-lang/regex) from 1.4.3 to 1.4.4.
- [Release notes](https://github.com/rust-lang/regex/releases)
- [Changelog](https://github.com/rust-lang/regex/blob/master/CHANGELOG.md)
- [Commits](rust-lang/regex@1.4.3...1.4.4)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Cargo.lock

@@ -25,7 +25,7 @@ tera = "1.7.0"
 [dependencies]
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0.64"
-regex = "1.4.3"
+regex = "1.4.4"
 url = "2.2.1"
 percent-encoding = "2.1.0"
 lazy_static = "1.4.0"