chore(deps): update dependency @sindresorhus/slugify to v3 (sveltejs#1354)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

docs-svelte-kit/package.json

@@ -18,7 +18,7 @@
     "@ota-meshi/eslint-plugin": "^0.18.0",
     "@shikijs/markdown-it": "^3.12.2",
     "@shikijs/twoslash": "^3.12.2",
-    "@sindresorhus/slugify": "^2.2.1",
+    "@sindresorhus/slugify": "^3.0.0",
     "@sveltejs/adapter-static": "^3.0.9",
     "@sveltejs/kit": "^2.37.0",
     "@sveltejs/vite-plugin-svelte": "^6.1.4",