reflect disabled in dropdown

docs/resources/changelog.md

@@ -13,6 +13,7 @@ _During the beta period, these restrictions may be relaxed in the event of a mis
 - Fixed a bug where updating a menu item's label wouldn't update the display label in `<sl-select>` [#729](https://github.com/shoelace-style/shoelace/issues/729)
 - Improved performance of `<sl-select>` by caching menu items instead of traversing for them each time
 - Revert form submit logic [#718](https://github.com/shoelace-style/shoelace/issues/718)
+- Updated the `disabled` attribute so it reflects in `<sl-dropdown>` [#741](https://github.com/shoelace-style/shoelace/discussions/741)
 - Updated the `name` and `icon` attribute so they reflect in `<sl-icon>` [#742](https://github.com/shoelace-style/shoelace/pull/742)
 
 ## 2.0.0-beta.73

src/components/dropdown/dropdown.ts

@@ -65,7 +65,7 @@ export default class SlDropdown extends LitElement {
     | 'left-end' = 'bottom-start';
 
   /** Disables the dropdown so the panel will not open. */
-  @property({ type: Boolean }) disabled = false;
+  @property({ type: Boolean, reflect: true }) disabled = false;
 
   /**
    * By default, the dropdown is closed when an item is selected. This attribute will keep it open instead. Useful for