The PostCommit Website Test job is flaky #35838
Description
The PostCommit Website Test is failing over 80% of the time.
Please visit https://github.com/apache/beam/actions/workflows/beam_PostCommit_Website_Test.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=1&var-Workflow=PostCommit%20Website%20Test