Update postcss-cli and autoprefixer (#313)

Signed-off-by: hossainemruz <hossainemruz@gmail.com>

package.json

@@ -17,7 +17,7 @@
   },
   "homepage": "https://github.com/hossainemruz/toha#readme",
   "devDependencies": {
-    "autoprefixer": "^9.8.6",
-    "postcss-cli": "^7.1.2"
+    "autoprefixer": "^10.2.5",
+    "postcss-cli": "^8.3.1"
   }
 }