Update dependency postcss-load-config to v2.1.2

Author: renovate-bot

package-lock.json

@@ -59,7 +59,7 @@
     "p5": "1.1.9",
     "path-exists": "4.0.0",
     "postcss-cli": "7.1.1",
-    "postcss-load-config": "2.1.0",
+    "postcss-load-config": "2.1.2",
     "postcss-loader": "3.0.0",
     "sass-loader": "9.0.2",
     "ts-loader": "8.0.1",