docs(embedding): update deprecation comments with JSDoc links

Updated deprecation comments to use {@link LanguageModelsService} for better documentation and navigation.

Author: phodal

src/code-search/embedding/EmbeddingsProviderManager.ts

@@ -4,7 +4,7 @@ import { EmbeddingsProvider } from './_base/EmbeddingsProvider';
 import { LocalEmbeddingsProvider } from './LocalEmbeddingsProvider';
 
 /**
- * @deprecated Please use LanguageModelsService instead.
+ * @deprecated Please use {@link LanguageModelsService} instead.
  */
 export namespace EmbeddingsProviderManager {
 	export function init(context: vscode.ExtensionContext) {

src/code-search/embedding/OllamaEmbeddingsProvider.ts

@@ -2,7 +2,7 @@ import AuthedEmbeddingsProvider, { AuthedEmbedOptions, FetchFunction } from './_
 import { withExponentialBackoff } from './utils/withExponentialBackoff';
 
 /**
- * @deprecated Please use LanguageModelsService instead.
+ * @deprecated Please use {@link LanguageModelsService} instead.
  */
 async function embedOne(chunk: string, options: AuthedEmbedOptions, customFetch: FetchFunction) {
 	const fetchWithBackoff = () =>