chore: update readme to point to new releases #2686

Job	Run time
parallel-NativeTests (alloydb-sample)	12m 56s
parallel-NativeTests (bigquery-sample)	12m 56s
parallel-NativeTests (bigquery)	12m 5s
parallel-NativeTests (core)	9m 37s
parallel-NativeTests (data-firestore)	12m 47s
parallel-NativeTests (data-firestore-sample)	12m 44s
parallel-NativeTests (datastore)	11m 30s
parallel-NativeTests (datastore-basic-sample)	11m 37s
parallel-NativeTests (kms)	11m 30s
parallel-NativeTests (kms-sample)	12m 23s
parallel-NativeTests (logging-sample)	12m 31s
parallel-NativeTests (metrics-sample)	14m 51s
parallel-NativeTests (pubsub-sample)	19m 47s
parallel-NativeTests (pubsub-bus-sample)	9m 5s
parallel-NativeTests (pubsub-integration-sample)	32m 18s
parallel-NativeTests (secretmanager)	12m 12s
parallel-NativeTests (secretmanager-sample)	12m 48s
parallel-NativeTests (spanner)	18m 30s
parallel-NativeTests (sql-mysql-sample)	11m 24s
parallel-NativeTests (sql-postgres-sample)	15m 35s
parallel-NativeTests (starter-firestore-sample)	12m 18s
parallel-NativeTests (storage)	11m 32s
parallel-NativeTests (storage-sample)	15m 57s
parallel-NativeTests (trace-sample)	13m 54s
parallel-NativeTests (vision)	13m 27s
parallel-NativeTests (vision-sample)	12m 58s
	5h 59m 12s

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