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: Mon Aug 12 15:40:00 2024, metric_value: 413.00
timestamp: Sun Aug 11 15:40:58 2024, metric_value: 417.00
timestamp: Sat Aug 10 15:38:45 2024, metric_value: 407.00 <---- Anomaly
timestamp: Fri Aug  9 15:38:21 2024, metric_value: 494.00
timestamp: Thu Aug  8 15:41:07 2024, metric_value: 457.00
timestamp: Wed Aug  7 15:39:00 2024, metric_value: 482.00
timestamp: Tue Aug  6 15:39:31 2024, metric_value: 463.00
timestamp: Mon Aug  5 15:39:15 2024, metric_value: 476.00
timestamp: Sun Aug  4 15:35:36 2024, metric_value: 455.00
timestamp: Sat Aug  3 15:35:06 2024, metric_value: 458.00
timestamp: Fri Aug  2 15:37:46 2024, metric_value: 473.00
timestamp: Thu Aug  1 15:39:04 2024, metric_value: 468.00
timestamp: Wed Jul 31 15:35:56 2024, metric_value: 486.00