fix(docs): broken link for OpenLLM (#6622)

This link for the notebook of OpenLLM is not migrated to the new format

Signed-off-by: Aaron <29749331+aarnphm@users.noreply.github.com>

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Signed-off-by: Aaron <29749331+aarnphm@users.noreply.github.com>

docs/extras/ecosystem/integrations/openllm.mdx

@@ -67,4 +67,4 @@ llm("What is the difference between a duck and a goose? And why there are so man
 ### Usage
 
 For a more detailed walkthrough of the OpenLLM Wrapper, see the
-[example notebook](../modules/models/llms/integrations/openllm.ipynb)
+[example notebook](/docs/modules/model_io/models/llms/integrations/openllm.html)