enh(broker/neb): instance_configuration not used #2866

Job	Run time
get-version / get-version	7s
unit test alma8	9m 34s
promote	0s
unit test alma9	9m 3s
unit test debian-bullseye	9m 3s
unit test debian-bookworm	9m 3s
package / package el8 amd64	9m 21s
package / package el9 amd64	1s
package / package bullseye amd64	1s
package / package bookworm amd64	9m 22s
package / package jammy amd64	1s
package / package bullseye arm64	4m 36s
deliver-sources	1s
deliver ${{ matrix.distrib }}	1s
deliver ${{ matrix.distrib }}	1s
	1h 0m 15s

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