fix(deps): update dependency autoprefixer to v10.4.21 (#1652)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -31,7 +31,7 @@
     "@odiffey/discord-markdown": "^3.3.0",
     "@universemc/react-palette": "1.0.3",
     "argon2": "0.29.1",
-    "autoprefixer": "10.4.20",
+    "autoprefixer": "10.4.21",
     "chalk": "4.1.2",
     "clsx": "2.1.1",
     "dataloader": "2.2.3",