chore: sdk-platform-java partial release preparation #738

Job	Run time
filter	1m 4s
downstream-compatibility-spring-generator	11m 16s
downstream-compatibility (java-pubsublite)	3m 49s
downstream-compatibility (java-pubsub)	4m 24s
downstream-compatibility (java-bigtable)	8m 10s
downstream-compatibility (java-firestore)	5m 15s
	33m 58s

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