React 19 compatible

[axetroy]

Accessing element.ref was removed in React 19. ref is now a regular prop. It will be removed from the JSX Element type in a future release.
elementRefGetterWithDeprecationWarning	@	react.development.js?9f62:193
CSSMotion	@	CSSMotion.js?a4ab:124

motion/src/CSSMotion.tsx

Lines 241 to 253 in e9cb099

	// Auto inject ref if child node not have `ref` props
	if (React.isValidElement(motionChildren) && supportRef(motionChildren)) {
	const originNodeRef = getNodeRef(motionChildren);
	if (!originNodeRef) {
	motionChildren = React.cloneElement(
	motionChildren as React.ReactElement,
	{
	ref: nodeRef,
	},
	);
	}
	}