chore: allow `Zlib` license #1792

Job	Run time
build-with-samply / Build (amd64, bbmri)	2m 3s
build-with-samply / Security, License Check	25s
build-with-samply / Build (amd64, dktk)	2m 55s
build-with-samply / Build (amd64)	2m 17s
build-with-samply / Build (arm64, bbmri)	2m 30s
build-with-samply / Build (arm64, dktk)	3m 13s
build-with-samply / Build (arm64)	2m 43s
build-with-samply / Test (bbmri)	8s
build-with-samply / Test (dktk)	8s
build-with-samply / Test	8s
build-with-samply / Docker (focus) / Dockerize (focus)	1m 0s
build-with-samply / Docker (focus) / Tidy GHCR images (samply/focus)	48s
build-with-samply / Docker (focus, bbmri) / Tidy GHCR images (samply/focus)	42s
build-with-samply / Docker (focus, bbmri) / Dockerize (focus) (-bbmri)	1m 1s
build-with-samply / Docker (focus, dktk) / Dockerize (focus) (-dktk)	58s
build-with-samply / Docker (focus, dktk) / Tidy GHCR images (samply/focus)	41s
	21m 40s

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