[Bot] Update tasks specs (#1281)

This PR updates the @huggingface/tasks specs. It has been generated by
running:
```sh
pnpm run inference-tgi-import
pnpm run inference-tei-import
pnpm run inference-codegen
```

This PR was automatically created by the [Tasks - Update specs
workflow](https://github.com/huggingface/huggingface.js/blob/main/.github/update-specs.yml).

Make sure the changes are correct before merging.

Co-authored-by: Wauplin <[email protected]>

Author: HuggingFaceInfra

packages/tasks/src/tasks/chat-completion/inference.ts

@@ -154,7 +154,7 @@ export interface ChatCompletionInputStreamOptions {
 	 * choices field will always be an empty array. All other chunks will also include a usage
 	 * field, but with a null value.
 	 */
-	include_usage: boolean;
+	include_usage?: boolean;
 	[property: string]: unknown;
 }
 /**

packages/tasks/src/tasks/chat-completion/spec/input.json

@@ -324,7 +324,6 @@
 		},
 		"ChatCompletionInputStreamOptions": {
 			"type": "object",
-			"required": ["include_usage"],
 			"properties": {
 				"include_usage": {
 					"type": "boolean",