Bump slug from 9.0.0 to 9.1.0

Bumps [slug](https://github.com/Trott/slug) from 9.0.0 to 9.1.0.
- [Changelog](https://github.com/Trott/slug/blob/main/CHANGELOG.md)
- [Commits](Trott/slug@v9.0.0...v9.1.0)

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

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

package.json

@@ -13,7 +13,7 @@
         "request": "~2.88.0",
         "roll": "~1.3.1",
         "shell-quote": "~1.8.0",
-        "slug": "~9.0.0",
+        "slug": "~9.1.0",
         "textify": "~0.0.12",
         "youtube-search": "~1.1.4"
     },