Audit feedback fixes (v3.0.5) (#299) #1177

Job	Run time
Build application (nanos)	1m 37s
Build application (nanosp)	1m 42s
Build application (nanox)	1m 48s
Build application (stax)	1m 56s
Build application (flex)	1m 59s
build_docker_tezos_ocaml / Build docker image	46s
generate_samples_unit_tests	2m 36s
integration_tests_basic (nanos)	4m 4s
integration_tests_basic (nanosp)	4m 8s
integration_tests_basic (nanox)	4m 5s
integration_tests_basic (stax)	2m 50s
integration_tests_basic (flex)	3m 1s
integration_tests_samples (nanos, micheline)	3m 14s
integration_tests_samples (nanos, operations)	5m 13s
integration_tests_samples (nanosp, micheline)	3m 15s
integration_tests_samples (nanosp, operations)	5m 27s
integration_tests_samples (nanox, micheline)	3m 19s
integration_tests_samples (nanox, operations)	5m 15s
	56m 15s

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