[fix] foreign namespace hash link (#7080)

src/compiler/utils/namespaces.ts

@@ -1,6 +1,6 @@
 // The `foreign` namespace covers all DOM implementations that aren't HTML5.
 // It opts out of HTML5-specific a11y checks and case-insensitive attribute names.
-export const foreign = 'https://svelte.dev/docs#svelte_options';
+export const foreign = 'https://svelte.dev/docs#template-syntax-svelte-options';
 export const html = 'http://www.w3.org/1999/xhtml';
 export const mathml = 'http://www.w3.org/1998/Math/MathML';
 export const svg = 'http://www.w3.org/2000/svg';

test/js/samples/src-attribute-check-in-foreign/expected.js

@@ -18,8 +18,8 @@ function create_fragment(ctx) {
 
 	return {
 		c() {
-			svg = document.createElementNS("https://svelte.dev/docs#svelte_options", "svg");
-			img = document.createElementNS("https://svelte.dev/docs#svelte_options", "img");
+			svg = document.createElementNS("https://svelte.dev/docs#template-syntax-svelte-options", "svg");
+			img = document.createElementNS("https://svelte.dev/docs#template-syntax-svelte-options", "img");
 			this.h();
 		},
 		l(nodes) {