update composer.json

Plugin/AddWeightUnitToOrderPlugin.php

@@ -38,10 +38,12 @@ class AddWeightUnitToOrderPlugin
                 $convertedWeight = $weight * 0.45359237;
 
                 // Set the converted weight back to the item
-                $orderItem->setData('weight', $weight);
+                $orderItem->setWeight($convertedWeight);
+                $orderItem->setData('weight', $convertedWeight);
             }
         }
-        
+
+
         return [$order];
     }
 }

composer.json

 {
-  "name": "bobgo/bobgo",
-  "description": "Smart shipping and order management solution in South Africa",
+    "name": "bob-public-utils/bobgo-magento-extension",
+    "description": "Smart shipping and order management solution in South Africa",
   "type": "magento2-module",
   "version": "1.0.0",
   "authors": [
@@ -14,7 +14,11 @@
     "AFL-3.0",
     "OSL-3.0"
   ],
-  "autoload": {
+    "require": {
+        "php": "^7.4 || ^8.0  || ^8.1"
+    },
+
+    "autoload": {
     "files": [
       "registration.php"
     ],