chore(deps): update dependency autoprefixer to v10.4.20

Author: renovate[bot]

package-lock.json

@@ -72,7 +72,7 @@
     "@vanilla-extract/vite-plugin": "4.0.15",
     "@vitest/coverage-v8": "1.6.0",
     "astro-eslint-parser": "0.17.0",
-    "autoprefixer": "10.4.19",
+    "autoprefixer": "10.4.20",
     "eslint": "8.57.0",
     "eslint-config-airbnb": "19.0.4",
     "eslint-config-prettier": "9.1.0",