Add AlloyDB vector writer. #31493

Job	Run time
Check environment variables	13s
Build python source distribution	42s
Prepare GCS	0s
Build python cp39- wheels on auto for ubuntu-20.04	15m 24s
Build python cp310- wheels on auto for ubuntu-20.04	20m 7s
Build python cp311- wheels on auto for ubuntu-20.04	12m 55s
Build python cp312- wheels on auto for ubuntu-20.04	16m 38s
Build python cp39- wheels on auto for macos-13	22s
Build python cp310- wheels on auto for macos-13	23s
Build python cp311- wheels on auto for macos-13	22s
Build python cp312- wheels on auto for macos-13	6m 35s
Build python cp39- wheels on auto for windows-latest	19s
Build python cp310- wheels on auto for windows-latest	22s
Build python cp311- wheels on auto for windows-latest	19s
Build python cp312- wheels on auto for windows-latest	5m 26s
Upload python source distribution to GCS bucket	0s
Build python cp39- wheels on aarch64 for ubuntu-20.04	11s
Build python cp310- wheels on aarch64 for ubuntu-20.04	20s
Build python cp311- wheels on aarch64 for ubuntu-20.04	8s
Build python cp312- wheels on aarch64 for ubuntu-20.04	21m 7s
Branch repo nightly	1s
Upload wheels to GCS bucket	1s
List files on Google Cloud Storage Bucket	1s
	1h 41m 56s

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