Merge pull request #299 from textpattern/dependabot/npm_and_yarn/autoprefixer-9.8.5

Bump autoprefixer from 9.8.4 to 9.8.5

Author: philwareham

package.json

@@ -10,7 +10,7 @@
     "url": "https://github.com/textpattern/textpattern-com-website/issues"
   },
   "devDependencies": {
-    "autoprefixer": "9.8.4",
+    "autoprefixer": "9.8.5",
     "cssnano": "4.1.10",
     "grunt": "1.2.1",
     "grunt-cli": "1.3.2",