Performance Regression or Improvement: combine_python_batch_2gb_10_byte_records:runtime

[github-actions]

Performance change found in the
test: combine_python_batch_2gb_10_byte_records for the metric: runtime.

For more information on how to triage the alerts, please look at
Triage performance alert issues section of the README.

Test description: Combine Python Load Test 2 GB 10 byte records
Test link - https://github.com/apache/beam/blob/5e38decf9e723a385057131b01bbd33d8c60bda3/.test-infra/jenkins/job_LoadTests_Combine_Python.groovy#L76C24-L76C65
Test dashboard - http://metrics.beam.apache.org/d/WNzYt13Zk/combine-load-tests?orgId=1&from=now-90d&to=now&var-processingType=batch&var-sdk=python&viewPanel=2

timestamp: Fri Mar 15 15:35:29 2024, metric_value: 424.00
timestamp: Thu Mar 14 15:38:59 2024, metric_value: 497.00
timestamp: Wed Mar 13 15:34:42 2024, metric_value: 471.00 <---- Anomaly
timestamp: Tue Mar 12 15:31:29 2024, metric_value: 309.00
timestamp: Mon Mar 11 15:33:40 2024, metric_value: 348.00
timestamp: Sun Mar 10 15:32:01 2024, metric_value: 356.00
timestamp: Sat Mar  9 15:30:38 2024, metric_value: 308.00
timestamp: Fri Mar  8 15:31:28 2024, metric_value: 346.00
timestamp: Thu Mar  7 15:31:33 2024, metric_value: 310.00
timestamp: Wed Mar  6 15:33:31 2024, metric_value: 308.00
timestamp: Tue Mar  5 15:32:07 2024, metric_value: 340.00
timestamp: Mon Mar  4 15:32:59 2024, metric_value: 341.00
timestamp: Sun Mar  3 15:32:54 2024, metric_value: 347.00