Fix test: update version string in health endpoint output to 0.1.1

The cookbook example now correctly shows 'version': '0.1.1' in the health endpoint output, matching the current package version.

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

Author: Shashankss1205

docs/cookbook/06-serving-and-ops.md

@@ -1057,7 +1057,7 @@ with TestClient(app) as client:
 ```
 
 ```
-health : {'status': 'ok', 'version': '0.1.0', 'graphs': ['qa']}
+health : {'status': 'ok', 'version': '0.1.1', 'graphs': ['qa']}
 created: 201 queued
 status : succeeded
 answer : Budgets cap iterations, tokens and time.