chore(deps): update dependency postcss-loader to v8.2.0 (#657)

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

Author: renovate[bot]

package.json

@@ -110,7 +110,7 @@
     "npm-run-all2": "5.0.2",
     "postcss": "8.5.6",
     "postcss-import": "14.1.0",
-    "postcss-loader": "8.1.1",
+    "postcss-loader": "8.2.0",
     "prettier": "3.6.2",
     "rollup": "4.50.0",
     "rollup-plugin-bundle-size": "1.0.3",