chore(deps): update dependency postcss-nested to v7

Author: renovate[bot]

package.json

@@ -31,7 +31,7 @@
     "autoprefixer": "^10.0.2",
     "object-fit-images": "^3.2.4",
     "postcss-cli": "^8.3.0",
-    "postcss-nested": "^5.0.1",
+    "postcss-nested": "^7.0.0",
     "postcss-object-fit-images": "^1.1.2",
     "postcss-preset-env": "^10.2.4",
     "tailwindcss": "^3.0.23"