chore: switch to jrdigewell version of remapping library

packages/svelte/package.json

@@ -166,7 +166,7 @@
     "vitest": "^2.1.9"
   },
   "dependencies": {
-    "@ampproject/remapping": "^2.3.0",
+    "@jridgewell/remapping": "^2.3.4",
     "@jridgewell/sourcemap-codec": "^1.5.0",
     "@sveltejs/acorn-typescript": "^1.0.5",
     "@types/estree": "^1.0.5",

packages/svelte/src/compiler/preprocess/index.js

@@ -1,6 +1,6 @@
 /** @import { Processed, Preprocessor, MarkupPreprocessor, PreprocessorGroup } from './public.js' */
 /** @import { SourceUpdate, Source } from './private.js' */
-/** @import { DecodedSourceMap, RawSourceMap } from '@ampproject/remapping' */
+/** @import { DecodedSourceMap, RawSourceMap } from '@jridgewell/remapping' */
 import { getLocator } from 'locate-character';
 import {
 	MappedCode,
@@ -25,7 +25,7 @@ class PreprocessResult {
 
 	// sourcemap_list is sorted in reverse order from last map (index 0) to first map (index -1)
 	// so we use sourcemap_list.unshift() to add new maps
-	// https://github.com/ampproject/remapping#multiple-transformations-of-a-file
+	// https://github.com/jridgewell/sourcemaps/tree/main/packages/remapping#multiple-transformations-of-a-file
 
 	/**
 	 * @default []

packages/svelte/src/compiler/preprocess/private.d.ts

@@ -1,4 +1,4 @@
-import { DecodedSourceMap } from '@ampproject/remapping';
+import { DecodedSourceMap } from '@jridgewell/remapping';
 import { Location } from 'locate-character';
 import { MappedCode } from '../utils/mapped_code.js';
 

packages/svelte/src/compiler/utils/mapped_code.js

@@ -2,8 +2,8 @@
 /** @import { Processed } from '../preprocess/public.js' */
 /** @import { SourceMap } from 'magic-string' */
 /** @import { Source } from '../preprocess/private.js' */
-/** @import { DecodedSourceMap, SourceMapSegment, RawSourceMap } from '@ampproject/remapping' */
-import remapping from '@ampproject/remapping';
+/** @import { DecodedSourceMap, SourceMapSegment, RawSourceMap } from '@jridgewell/remapping' */
+import remapping from '@jridgewell/remapping';
 import { push_array } from './push_array.js';
 
 /**