add labels to form input example

Author: jenweber

guides/release/upgrading/editions.md

@@ -1783,13 +1783,15 @@ bindings will not work:
   This does not work, since @value is
   an argument and is immutable
 -->
-<Input @value={{@value}} />
+<label for="title">Title</label>
+<Input @value={{@value}} id="title" />
 
 <!--
   Instead, we should update the value
   by passing an _action_ to the component
 -->
-<Input @value={{@value}} @key-up={{@updateValue}} />
+<label for="title">Title</label>
+<Input @value={{@value}} @key-up={{@updateValue}} id="title" />
 ```
 
 Additionally, the `mut` helper generally can't be used for the same reason: