Make trivy scan tentative to overcome rate limits #5394

Job	Run time
build-all	3m 13s
tests (es, -Pelasticsearch8, es8-java8, 8)	28m 53s
tests (es, -Pelasticsearch7, es7-java8, 8)	28m 2s
tests (es, -Pelasticsearch6, es6-java8, 8)	27m 43s
tests (es, -Pelasticsearch60, es60-java8, 8)	27m 12s
tests (es, -Pjava-11, -Pelasticsearch8, es8, 11)	28m 52s
tests (es, -Pjava-11, -Pelasticsearch7, es7, 11)	28m 10s
tests (es, -Pjava-11, -Pelasticsearch6, es6, 11)	27m 40s
tests (es, -Pjava-11, -Pelasticsearch60, es60, 11)	27m 3s
	3h 46m 48s

Provide feedback