fix(deps): update dependency cssnano to v6.0.1

Author: renovate[bot]

package-lock.json

@@ -49,7 +49,7 @@
     "babel-polyfill": "6.26.0",
     "clean-webpack-plugin": "4.0.0",
     "css-loader": "5.2.7",
-    "cssnano": "6.0.0",
+    "cssnano": "6.0.1",
     "dotenv": "8.6.0",
     "dotenv-webpack": "7.1.1",
     "eslint": "8.39.0",