deps: update dependency autoprefixer to v10.3.6 (#811)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

package-lock.json

@@ -54,7 +54,7 @@
     "@types/sass": "1.16.1",
     "@typescript-eslint/eslint-plugin": "4.31.2",
     "@typescript-eslint/parser": "4.31.2",
-    "autoprefixer": "10.3.5",
+    "autoprefixer": "10.3.6",
     "chokidar": "3.5.2",
     "codecov": "3.8.3",
     "docsify-cli": "4.4.3",