Bump regex from 1.4.3 to 1.5.4 (#9969)

Bumps [regex](https://github.com/rust-lang/regex) from 1.4.3 to 1.5.4.
- [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/1.4.3...1.5.4)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

substrate/client/cli/Cargo.toml

@@ -14,7 +14,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 log = "0.4.11"
-regex = "1.4.2"
+regex = "1.5.4"
 tokio = { version = "1.10", features = [ "signal", "rt-multi-thread" ] }
 futures = "0.3.9"
 fdlimit = "0.2.1"