chore(deps): update dependency autoprefixer to v10.4.21

Author: renovate[bot]

package-lock.json

@@ -18,7 +18,7 @@
         "@testing-library/jest-dom": "6.2.1",
         "@testing-library/vue": "7.0.0",
         "@vue/vue3-jest": "29.2.6",
-        "autoprefixer": "10.4.20",
+        "autoprefixer": "10.4.21",
         "axios": "1.6.8",
         "babel-core": "7.0.0-bridge.0",
         "babel-jest": "29.7.0",