Alignment with Carbon version 10.28 (#505)

* chore(deps-dev): remove @carbon/themes

* chore(deps-dev): bump devDependencies

* fix(tabs): forward click event to Tab

* feat(toggle): dispatch toggle event

* feat(tag): dispatch close event

* feat(tooltip-icon): make tooltipText slottable

* feat(dropdown): add hideLabel prop

* docs(select): add "Hidden label" example

* refactor(modal): use class directive

* feat(modal): dispatch transitionend event

* chore(deps-dev): upgrade carbon-components to 10.28.0-rc.0

* feat(date-picker): add warn state

* feat(tag): support small size variant

* fix(search): add semantic role

* feat(toolbar-search): add disabled state

* fix(composed-modal): add aria-label prop, update header semantic tags

* chore(deps-dev): upgrade carbon-components to v10.28

* docs(overflow-menu): add light variant example

* docs(link): document OutboundLink in Component API

* chore(tooltip-icon): rename slot to "tooltipText"

* docs(component-api): wrap code blocks to minimize width

* docs(aspect-ratio): remove inline outline style

* fix(tab): do not trigger focus when mounting

* docs(tabs): add reactive example

Closes #438

src/Toggle/Toggle.svelte

@@ -1,4 +1,8 @@
 <script>
+  /**
+   * @event {{ toggled: boolean; }} toggle
+   */
+
   /**
    * Specify the toggle size
    * @type {"default" | "sm"}
@@ -28,6 +32,12 @@
    * @type {string}
    */
   export let name = undefined;
+
+  import { createEventDispatcher } from "svelte";
+
+  const dispatch = createEventDispatcher();
+
+  $: dispatch("toggle", { toggled });
 </script>
 
 <div