Bump regex from 1.8.3 to 1.8.4 (#3003)

Bumps [regex](https://github.com/rust-lang/regex) from 1.8.3 to 1.8.4.
- [Release notes](https://github.com/rust-lang/regex/releases)
- [Changelog](https://github.com/rust-lang/regex/blob/master/CHANGELOG.md)
- [Commits](rust-lang/regex@1.8.3...1.8.4)

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

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

boa_cli/Cargo.toml

@@ -22,7 +22,7 @@ rustyline = { version = "11.0.0", features = ["derive"]}
 clap = { version = "4.3.2", features = ["derive"] }
 serde_json = "1.0.96"
 colored = "2.0.0"
-regex = "1.8.3"
+regex = "1.8.4"
 phf = { version = "0.11.1", features = ["macros"] }
 pollster = "0.3.0"
 

boa_tester/Cargo.toml

@@ -19,7 +19,7 @@ serde = { version = "1.0.163", features = ["derive"] }
 serde_yaml = "0.9.21"
 serde_json = "1.0.96"
 bitflags = "2.3.1"
-regex = "1.8.3"
+regex = "1.8.4"
 once_cell = "1.18.0"
 colored = "2.0.0"
 fxhash = "0.2.1"