[Bug]: Missing return in classmethod PipelineRun#list

[veny]

Oracle-ads version used

• I have checked that this issue has not already been reported.

• I have confirmed this bug exists on the latest version of oracle-ads.

• I have confirmed this bug exists on the main branch of oracle-ads.

• I agree to follow Code of Conduct.

Description

missing 'return' here:
https://github.com/oracle/accelerated-data-science/blob/main/ads/pipeline/ads_pipeline_run.py#L758C9-L758C20

How to Reproduce

from ads.pipeline import PipelineRun
runs = PipelineRun.list(pipeline_id=pipeline.id)

What was Observed

always returns None

What was Expected

list of existing pipeline-runs

Version

2.12.9