⬆️ Update dependency @sindresorhus/slugify to v2

Author: renovate-bot

package.json

@@ -53,7 +53,7 @@
     "@rollup/plugin-commonjs": "^17.0.0",
     "@rollup/plugin-node-resolve": "^11.1.0",
     "@rollup/plugin-replace": "^2.3.4",
-    "@sindresorhus/slugify": "^1.1.0",
+    "@sindresorhus/slugify": "^2.0.0",
     "chalk": "^4.1.0",
     "cssnano": "^4.1.10",
     "del": "^6.0.0",