Merge pull request #385 from textpattern/dependabot/npm_and_yarn/autoprefixer-10.2.6

Bump autoprefixer from 10.2.5 to 10.2.6

Author: philwareham

package.json

@@ -12,7 +12,7 @@
   "devDependencies": {
     "@lodder/grunt-postcss": "3.0.1",
     "@squoosh/cli": "0.6.4",
-    "autoprefixer": "10.2.5",
+    "autoprefixer": "10.2.6",
     "cssnano": "5.0.4",
     "grunt": "1.4.1",
     "grunt-cli": "1.4.3",