add missing return type

Author: dmytrokirpa

packages/react-components/react-headless-components-preview/library/src/components/Accordion/AccordionPanel/renderAccordionPanel.ts

@@ -1,11 +1,12 @@
 import { renderAccordionPanel_unstable } from '@fluentui/react-accordion';
 import type { AccordionPanelState as FluentAccordionPanelState } from '@fluentui/react-accordion';
+import type { JSXElement } from '@fluentui/react-utilities';
 
 import type { AccordionPanelState } from './AccordionPanel.types';
 
 /**
  * Renders the final JSX of the AccordionPanel component, given the state.
  */
-export const renderAccordionPanel = (state: AccordionPanelState) => {
+export const renderAccordionPanel = (state: AccordionPanelState): JSXElement => {
   return renderAccordionPanel_unstable(state as FluentAccordionPanelState);
 };