Make trivy scan tentative to overcome rate limits #5392

Job	Run time
build-all	3m 21s
tests (es, -Pelasticsearch8, es8-java8, 8)	29m 3s
tests (es, -Pelasticsearch7, es7-java8, 8)	28m 18s
tests (es, -Pelasticsearch6, es6-java8, 8)	27m 39s
tests (es, -Pelasticsearch60, es60-java8, 8)	27m 38s
tests (es, -Pjava-11, -Pelasticsearch8, es8, 11)	28m 45s
tests (es, -Pjava-11, -Pelasticsearch7, es7, 11)	28m 17s
tests (es, -Pjava-11, -Pelasticsearch6, es6, 11)	27m 38s
tests (es, -Pjava-11, -Pelasticsearch60, es60, 11)	28m 10s
	3h 48m 49s

Provide feedback