fix: update links in JSDoc (#14165)

Author: Rich-Harris

.changeset/rotten-toys-fix.md

@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+fix: update links in JSDoc

packages/svelte/src/transition/index.js

@@ -209,7 +209,7 @@ function assign(tar, src) {
 }
 
 /**
- * The `crossfade` function creates a pair of [transitions](https://svelte.dev/docs#template-syntax-element-directives-transition-fn) called `send` and `receive`. When an element is 'sent', it looks for a corresponding element being 'received', and generates a transition that transforms the element to its counterpart's position and fades it out. When an element is 'received', the reverse happens. If there is no counterpart, the `fallback` transition is used.
+ * The `crossfade` function creates a pair of [transitions](https://svelte.dev/docs/svelte/transition) called `send` and `receive`. When an element is 'sent', it looks for a corresponding element being 'received', and generates a transition that transforms the element to its counterpart's position and fades it out. When an element is 'received', the reverse happens. If there is no counterpart, the `fallback` transition is used.
  *
  * @param {CrossfadeParams & {
  * 	fallback?: (node: Element, params: CrossfadeParams, intro: boolean) => TransitionConfig;

packages/svelte/types/index.d.ts

@@ -1953,7 +1953,7 @@ declare module 'svelte/transition' {
 		getTotalLength(): number;
 	}, { delay, speed, duration, easing }?: DrawParams | undefined): TransitionConfig;
 	/**
-	 * The `crossfade` function creates a pair of [transitions](https://svelte.dev/docs#template-syntax-element-directives-transition-fn) called `send` and `receive`. When an element is 'sent', it looks for a corresponding element being 'received', and generates a transition that transforms the element to its counterpart's position and fades it out. When an element is 'received', the reverse happens. If there is no counterpart, the `fallback` transition is used.
+	 * The `crossfade` function creates a pair of [transitions](https://svelte.dev/docs/svelte/transition) called `send` and `receive`. When an element is 'sent', it looks for a corresponding element being 'received', and generates a transition that transforms the element to its counterpart's position and fades it out. When an element is 'received', the reverse happens. If there is no counterpart, the `fallback` transition is used.
 	 *
 	 * */
 	export function crossfade({ fallback, ...defaults }: CrossfadeParams & {