Bump titleize from 2.1.0 to 4.0.0 (#833)

Bumps [titleize](https://github.com/sindresorhus/titleize) from 2.1.0 to 4.0.0.
- [Release notes](https://github.com/sindresorhus/titleize/releases)
- [Commits](sindresorhus/titleize@v2.1.0...v4.0.0)

---
updated-dependencies:
- dependency-name: titleize
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -66,7 +66,7 @@
     "sort-on": "^4.1.1",
     "string-length": "^4.0.2",
     "tabtab": "^1.3.2",
-    "titleize": "^2.1.0",
+    "titleize": "^4.0.0",
     "update-notifier": "^7.3.1",
     "yeoman-character": "^1.0.0",
     "yeoman-doctor": "^5.0.0",