Bump slug from 9.1.0 to 10.0.0

Bumps [slug](https://github.com/Trott/slug) from 9.1.0 to 10.0.0.
- [Changelog](https://github.com/Trott/slug/blob/main/CHANGELOG.md)
- [Commits](Trott/slug@v9.1.0...v10.0.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -40,7 +40,7 @@
     "outdent": "^0.8.0",
     "shuffle-seed": "^1.1.6",
     "slash": "^3.0.0",
-    "slug": "^9.1.0"
+    "slug": "^10.0.0"
   },
   "devDependencies": {
     "@govuk-frontend/helpers": "*",

packages/govuk-frontend-review/package.json

@@ -28,7 +28,7 @@
     "outdent": "^0.8.0",
     "puppeteer": "^23.6.0",
     "sass-embedded": "^1.80.4",
-    "slug": "^9.1.0"
+    "slug": "^10.0.0"
   },
   "peerDependencies": {
     "@puppeteer/browsers": "^2.1.0",

shared/helpers/package.json

@@ -24,7 +24,7 @@
     "rollup": "^4.19.1",
     "sass-embedded": "^1.80.4",
     "slash": "^5.1.0",
-    "slug": "^9.1.0",
+    "slug": "^10.0.0",
     "yargs-parser": "^21.1.1"
   }
 }