chore(deps): update dependency postcss to v8.4.12

Author: ethan-repo-lab4b6

package-lock.json

@@ -26,7 +26,7 @@
     "eslint-plugin-svelte3": "3.4.1",
     "graphql-ws": "5.6.2",
     "jwt-decode": "3.1.2",
-    "postcss": "8.4.7",
+    "postcss": "8.4.12",
     "postcss-import": "14.0.2",
     "postcss-load-config": "3.1.3",
     "postcss-preset-env": "7.4.4",