Add HTMLElement to the getTag() return type

docs/pages/components/select.md

@@ -458,7 +458,8 @@ const App = () => (
 ### Custom Tags
 
 When multiple options can be selected, you can provide custom tags by passing a function to the `getTag` property.
-Your `getTag(option, index)` function can return a string or a Lit <a href="https://lit.dev/docs/templates/overview/">Template</a>
+Your `getTag(option, index)` function can return a string, a Lit <a href="https://lit.dev/docs/templates/overview/">Template</a>,
+or an HTMLElement.
 
 ```html:preview
 <sl-select placeholder="Select" value="option-1 option-2" class="custom-tag" multiple clearable>

src/components/select/select.component.ts

@@ -178,7 +178,7 @@ export default class SlSelect extends ShoelaceElement implements ShoelaceFormCon
    * is the current tag's index.  The function should return either a Lit TemplateResult or a string containing trusted HTML of the symbol to render at
    * the specified value.
    */
-  @property() getTag: (option: SlOption, index: number) => TemplateResult | string = option => {
+  @property() getTag: (option: SlOption, index: number) => TemplateResult | string | HTMLElement = option => {
     return html`
       <sl-tag
         part="tag"