fix: update package name to 'paarrot' and add png2icons dependency

package.json

@@ -20,6 +20,7 @@
     "@actions/github": "6.0.0",
     "@tauri-apps/cli": "^2.0.0",
     "node-fetch": "3.3.2",
+    "png2icons": "2.0.1",
     "sharp": "0.34.5"
   }
 }