Bump aquasecurity/trivy-action from 0.19.0 to 0.21.0 #658

Job	Run time
build-all	3m 17s
build-java11	2m 52s
tests (core, 8)	1m 29s
tests (driver, 8)	1m 24s
tests (server, 8)	3m 47s
tests (test, 8)	6m 45s
tests (inmemory, -Dtest.skip.tp=false, 8)	32m 5s
tests (berkeleyje, 8)	9m 9s
tests (lucene, 8)	4m 52s
tests (core, -Pjava-11, 11)	1m 26s
tests (driver, -Pjava-11, 11)	1m 10s
tests (server, -Pjava-11, 11)	3m 48s
tests (test, -Pjava-11, 11)	6m 54s
tests (inmemory, -Pjava-11, -Dtest.skip.tp=false, 11)	36s
tests (berkeleyje, -Pjava-11, 11)	11m 17s
tests (lucene, -Pjava-11, 11)	4m 59s
	1h 35m 50s

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