Merge pull request #54 from hacknug/dependabot/npm_and_yarn/postcss-8.3.0

[Security] Bump postcss from 7.0.35 to 8.3.0

Author: hacknug

package.json

@@ -35,7 +35,7 @@
   "devDependencies": {
     "jest": "^27.0.1",
     "jest-matcher-css": "^1.0.3",
-    "postcss": "^7.0.16",
+    "postcss": "^8.3.0",
     "tailwindcss": "^1.0.1"
   }
 }