fix(ClipboardCopy): Add string[] type to children

The ClipboardCopy component already handles string[] but didn't have it
written in the props as valid.

packages/react-core/src/components/ClipboardCopy/ClipboardCopy.tsx

@@ -89,7 +89,7 @@ export interface ClipboardCopyProps extends Omit<React.HTMLProps<HTMLDivElement>
   /** A function that is triggered on changing the text. */
   onChange?: (event: React.FormEvent, text?: string) => void;
   /** The text which is copied. */
-  children: string;
+  children: string | string[];
   /** Additional actions for inline clipboard copy. Should be wrapped with ClipboardCopyAction. */
   additionalActions?: React.ReactNode;
   /** Value to overwrite the randomly generated data-ouia-component-id.*/
@@ -134,7 +134,7 @@ class ClipboardCopy extends React.Component<ClipboardCopyProps, ClipboardCopySta
   // eslint-disable-next-line @typescript-eslint/no-unused-vars
   componentDidUpdate = (prevProps: ClipboardCopyProps, prevState: ClipboardCopyState) => {
     if (prevProps.children !== this.props.children) {
-      const newText = this.props.children as string;
+      const newText = Array.isArray(this.props.children) ? this.props.children.join('') : (this.props.children as string);
       this.setState({ text: newText, textWhenExpanded: newText });
     }
   };