The PreCommit Python Examples job is flaky

[github-actions]

The PreCommit Python Examples is failing over 50% of the time.
Please visit https://github.com/apache/beam/actions/workflows/beam_PreCommit_Python_Examples.yml?query=is%3Afailure+branch%3Amaster to see all failed workflow runs.
See also Grafana statistics: http://metrics.beam.apache.org/d/CTYdoxP4z/ga-post-commits-status?orgId=1&viewPanel=7&var-Workflow=PreCommit%20Python%20Examples

[Amar3tto]

EnrichmentTest.test_enrichment_with_vertex_ai