Merge pull request #27 from kizitoomoit/dependabot/npm_and_yarn/postcss-and-gulp-autoprefixer-8.4.31

Bump postcss and gulp-autoprefixer

Author: kizitoomoit

package-lock.json

@@ -38,7 +38,7 @@
         "browser-sync": "3.0.4",
         "del": "5.1.0",
         "gulp": "4.0.2",
-        "gulp-autoprefixer": "7.0.0",
+        "gulp-autoprefixer": "8.0.0",
         "gulp-clean-css": "4.2.0",
         "gulp-header": "2.0.9",
         "gulp-plumber": "^1.2.1",