Merge pull request #417 from spences10/renovate/postcss-8.x

Author: spences10

package.json

@@ -58,7 +58,7 @@
     "husky": "8.0.3",
     "jsdom": "^20.0.3",
     "mdsvex": "0.10.6",
-    "postcss": "8.4.20",
+    "postcss": "8.4.21",
     "postcss-load-config": "4.0.1",
     "prettier": "2.8.1",
     "prettier-plugin-svelte": "2.9.0",