Bump titlecase from 3.0.0 to 3.1.1

Bumps [titlecase](https://github.com/wezm/titlecase) from 3.0.0 to 3.1.1.
- [Release notes](https://github.com/wezm/titlecase/releases)
- [Changelog](https://github.com/wezm/titlecase/blob/master/Changelog.md)
- [Commits](wezm/titlecase@v3.0.0...v3.1.1)

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

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

Cargo.toml

@@ -146,7 +146,7 @@ cld2 = { version = "1.0.2", optional = true }
 indoc = { version = "2.0.5", optional = true }
 pyo3 = { version = "0.21.2", optional = true }
 rayon = "1.10.0"
-titlecase = { version = "3.0.0", optional = true }
+titlecase = { version = "3.1.1", optional = true }
 whatlang = { version = "0.16.4", optional = true }
 whichlang = { version = "0.1.0", optional = true }