Update postcss-load-config to version 4.0.1 (#8686)

Co-authored-by: depfu[bot] <23717796+depfu[bot]@users.noreply.github.com>

Author: depfu[bot]

package-lock.json

@@ -79,7 +79,7 @@
     "postcss": "^8.4.14",
     "postcss-import": "^14.1.0",
     "postcss-js": "^4.0.0",
-    "postcss-load-config": "^3.1.4",
+    "postcss-load-config": "^4.0.1",
     "postcss-nested": "5.0.6",
     "postcss-selector-parser": "^6.0.10",
     "postcss-value-parser": "^4.2.0",