Fix: mark scan as failed on fetch result errors #1255

Job	Run time
adapt_release	1s
unit-tests / C	1m 5s
unit-tests / Rust	4m 15s
linting / C	9s
linting / Rust	6m 5s
init / init	5s
build / Rust	9m 40s
build / C	2m 27s
functional / tests	4m 45s
container / debian:oldstable	6m 33s
container / debian:testing	15m 4s
container / ghcr:debian:stable	1m 46s
container / debian:stable	11m 28s
container / greenbone-reg:debian:stable / build-amd64	4m 8s
container / greenbone-reg:debian:stable / build-arm64	0s
container / greenbone-reg:debian:stable / create-multi-arch-manifest	0s
container / greenbone-reg:debian:stable / Test pulling the image on amd64	0s
container / greenbone-reg:debian:stable / Test pulling the image on arm64	0s
container / greenbone-reg:debian:stable / notify	0s
smoketests	0s
release	0s
helm	0s
	1h 7m 31s

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