build: Drop illumos from supported targets due to NBD dependency #6

Job	Run time
build-linux (test, ., golang:bookworm, -e '-v /tmp/ssh-key:/tmp/ssh-key', GOFLAGS="-short" ./Hydr...	1m 42s
build-linux (go.drafter-nat, ., golang:bookworm, -e '-v /tmp/ssh-key:/tmp/ssh-key', ./Hydrunfile ...	2m 49s
build-linux (go.drafter-forwarder, ., golang:bookworm, -e '-v /tmp/ssh-key:/tmp/ssh-key', ./Hydru...	2m 53s
build-linux (go.drafter-agent, ., golang:bookworm, -e '-v /tmp/ssh-key:/tmp/ssh-key', ./Hydrunfil...	3m 12s
build-linux (go.drafter-liveness, ., golang:bookworm, -e '-v /tmp/ssh-key:/tmp/ssh-key', ./Hydrun...	1m 47s
build-linux (go.drafter-snapshotter, ., golang:bookworm, -e '-v /tmp/ssh-key:/tmp/ssh-key', ./Hyd...	2m 36s
build-linux (go.drafter-packager, ., golang:bookworm, -e '-v /tmp/ssh-key:/tmp/ssh-key', ./Hydrun...	3m 26s
build-linux (go.drafter-runner, ., golang:bookworm, -e '-v /tmp/ssh-key:/tmp/ssh-key', ./Hydrunfi...	3m 23s
build-linux (go.drafter-registry, ., golang:bookworm, -e '-v /tmp/ssh-key:/tmp/ssh-key', ./Hydrun...	3m 40s
build-linux (go.drafter-peer, ., golang:bookworm, -e '-v /tmp/ssh-key:/tmp/ssh-key', ./Hydrunfile...	2m 47s
build-linux (go.drafter-terminator, ., golang:bookworm, -e '-v /tmp/ssh-key:/tmp/ssh-key', ./Hydr...	2m 46s
publish-linux	11s
	31m 12s

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