Alignment with Carbon version 10.27 (#495)

* chore(deps-dev): bump devDependencies

* docs: update number of available carbon icons

* feat(notification): distinguish dispatched close event between click/timeout

* fix(notification): prevent class from being overriden by $$restProps

* docs(notification): improve example body copy

* fix(notification): remove notificationType prop

* refactor(notification): resolve svelte file in imports

* fix(notification): prevent class from being overridden by $$restProps

* feat(notification): update TS signature for dispatched close event

* docs: update contributing

* fix(loading): adjust spinner styles

* feat(tag): support custom icon variant

* feat(tile): add optional expand/collapse icon labels to ExpandableTile

* feat(code-snippet): support disabled state for single and multi-line types

* fix(code-snippet): remove impossible class directive

* fix(code-snippet): showMoreLess button size should be "field", not "small"

* fix(password-input): disable visibility button

- set default values for tooltipAlignment, tooltipPosition

* fix(text-input): add missing warning field wrapper class

* feat(button): infer hasIconOnly using $$slots API

- requires Svelte version >=3.25

* docs(button): add danger tertiary, icon-only example

* feat(button): set default values for tooltip alignment, position

* docs: document dynamic theming

* fix(modal): correctly set class props #482

* fix(form): forward submit event in FluidForm #487

* feat(dropdown): support warning state

* feat(multi-select): support warning state

* fix(multi-select): prevent dropdown from opening if disabled

* feat(number-input): support warning state

* chore(deps-dev): upgrade devDependencies

* docs:  bump @carbon/themes, carbon-components

* refactor(data-table): co-locate DataTableSkeleton with DataTable

* docs: update number of pictograms

* fix(password-input): add missing "bx--btn" class to visibility toggle

* docs: increase z-index for component preview

types/Tile/ExpandableTile.d.ts

@@ -1,6 +1,6 @@
 /// <reference types="svelte" />
 
-export interface ExpandableTileProps extends svelte.JSX.HTMLAttributes<HTMLElementTagNameMap["div"]> {
+export interface ExpandableTileProps extends svelte.JSX.HTMLAttributes<HTMLElementTagNameMap["button"]> {
   /**
    * Set to `true` to expand the tile
    * @default false
@@ -37,6 +37,18 @@ export interface ExpandableTileProps extends svelte.JSX.HTMLAttributes<HTMLEleme
    */
   tileExpandedIconText?: string;
 
+  /**
+   * Specify the icon label of the expanded tile
+   * @default ""
+   */
+  tileExpandedLabel?: string;
+
+  /**
+   * Specify the icon label of the collapsed tile
+   * @default ""
+   */
+  tileCollapsedLabel?: string;
+
   /**
    * Specify the tabindex
    * @default "0"
@@ -53,7 +65,7 @@ export interface ExpandableTileProps extends svelte.JSX.HTMLAttributes<HTMLEleme
    * Obtain a reference to the top-level element
    * @default null
    */
-  ref?: null | HTMLDivElement;
+  ref?: null | HTMLButtonElement;
 }
 
 export default class ExpandableTile {