Merge pull request #529 from textpattern/dependabot/npm_and_yarn/autoprefixer-10.3.7

Bump autoprefixer from 10.3.6 to 10.3.7

Author: philwareham

package.json

@@ -10,7 +10,7 @@
   },
   "devDependencies": {
     "@lodder/grunt-postcss": "3.0.1",
-    "autoprefixer": "10.3.6",
+    "autoprefixer": "10.3.7",
     "cssnano": "5.0.8",
     "grunt": "1.4.1",
     "grunt-cli": "1.4.3",