docs(migration): update form validation error property name (#4557)

docs/content/1.getting-started/2.migration.md

@@ -536,6 +536,33 @@ import { ModalExampleComponent } from '#components'
 </script>
 ```
 
+### Changed form validation
+
+- The error object property for targeting form fields has been renamed from `path` to `name`:
+
+```diff
+<script setup lang="ts">
+const validate = (state: any): FormError[] => {
+  const errors = []
+  if (!state.email) {
+    errors.push({ 
+-     path: 'email', 
++     name: 'email',
+      message: 'Required' 
+    })
+  }
+  if (!state.password) {
+    errors.push({ 
+-     path: 'password', 
++     name: 'password',
+      message: 'Required' 
+    })
+  }
+  return errors
+}
+</script>
+```
+
 ---
 
 ::warning