Update Dataflow internal client test #29375

Job	Run time
Check environment variables	10s
Build python source distribution	41s
Build python wheels on for ubuntu-20.04	6m 11s
Prepare GCS	0s
Build python wheels on for ubuntu-20.04	6m 31s
Build python wheels on for ubuntu-20.04	6m 31s
Build python wheels on for ubuntu-20.04	6m 28s
Build python wheels on for macos-13	29s
Build python wheels on for macos-13	20s
Build python wheels on for macos-13	18s
Build python wheels on for macos-13	2m 43s
Build python wheels on for windows-latest	21s
Build python wheels on for windows-latest	26s
Build python wheels on for windows-latest	12s
Build python wheels on for windows-latest	4m 57s
Build python wheels on for ubuntu-20.04	44s
Build python wheels on for ubuntu-20.04	37s
Upload python source distribution to GCS bucket	0s
Build python wheels on for ubuntu-20.04	31s
Build python wheels on for ubuntu-20.04	6m 29s
Branch repo nightly	0s
Upload wheels to GCS bucket	0s
List files on Google Cloud Storage Bucket	0s
	44m 39s

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