try to clean up cache if updating grypeDB fails #101

Job	Run time
pr-merged / docker-build	12m 25s
pr-merged / run-tests (vulnerability_scanning)	23m 56s
pr-merged / run-tests (vulnerability_scanning_cve_exceptions)	9m 23s
pr-merged / run-tests (relevantCVEs)	12m 30s
pr-merged / run-tests (relevancy_enabled_stop_sniffing)	12m 34s
pr-merged / run-tests (relevant_data_is_appended)	38m 27s
pr-merged / run-tests (relevancy_large_image)	11m 51s
pr-merged / run-tests (relevancy_extra_large_image)	11m 42s
pr-merged / run-tests (relevancy_fix_vuln)	12m 19s
pr-merged / run-tests (relevancy_python)	12m 33s
pr-merged / run-tests (relevancy_golang)	12m 16s
pr-merged / run-tests (relevancy_java)	12m 45s
pr-merged / run-tests (relevancy_java_and_python)	12m 35s
pr-merged / run-tests (relevancy_golang_dynamic)	12m 14s
pr-merged / Docker retag and create release	0s
	3h 27m 30s

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