docs: include xForwardedFor param on getRequestIP

[RihanArfan]

Adds a missing parameter on the docs for getRequestIP(). May be worth backporting to v1 docs too.

h3/src/utils/request.ts

Lines 297 to 307 in 7324eee

	export function getRequestIP(
	event: H3Event,
	opts: {
	/**
	* Use the X-Forwarded-For HTTP header set by proxies.
	*
	* Note: Make sure that this header can be trusted (your application running behind a CDN or reverse proxy) before enabling.
	*/
	xForwardedFor?: boolean;
	} = {},
	): string | undefined {