chore(deps): upgrade Activiti/Activiti to version 8.7.0-alpha.33 #5739

Job	Run time
pre-checks	36s
build	26m 36s
acceptance-tests (rabbitmq, partitioned, default-destinations)	7m 51s
acceptance-tests (rabbitmq, non-partitioned, default-destinations)	8m 47s
acceptance-tests (kafka, partitioned, default-destinations)	1s
acceptance-tests (kafka, non-partitioned, default-destinations)	1s
acceptance-tests (kafka, partitioned, override-destinations)	1s
acceptance-tests (rabbitmq, non-partitioned, pdb)	1s
delete-test-images	0s
publish	0s
propagate-maven	0s
propagate-helm	0s
notify	0s
	43m 54s

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