chore(deps): update dependency postcss-loader to v8.2.0 (#2080)

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

Author: renovate[bot]

package.json

@@ -49,7 +49,7 @@
     "lint-staged": "15.3.0",
     "next-themes": "0.4.4",
     "postcss": "8.5.6",
-    "postcss-loader": "8.1.1",
+    "postcss-loader": "8.2.0",
     "prettier": "3.6.2",
     "prettier-plugin-tailwindcss": "0.6.10",
     "pretty-quick": "4.0.0",