Merge pull request #842 from textpattern/dependabot/npm_and_yarn/autoprefixer-10.4.24

Bump autoprefixer from 10.4.23 to 10.4.24

Author: petecooper

package.json

@@ -10,7 +10,7 @@
   },
   "devDependencies": {
     "@lodder/grunt-postcss": "3.1.1",
-    "autoprefixer": "10.4.23",
+    "autoprefixer": "10.4.24",
     "cssnano": "7.1.2",
     "grunt": "1.6.1",
     "grunt-cli": "1.5.0",