Scheduler: Allow a memory specification of zero for the SLURM plugin … #1630

Job	Run time
build-amd64 / linux/amd64	2m 57s
test-amd64 (aiida-core-dev) / test	2m 19s
test-amd64 (aiida-core-base) / test	1m 23s
test-amd64 (aiida-core-with-services) / test	1m 16s
build / linux/amd64,linux/arm64	11m 10s
publish-ghcr / release (aiida-core-base)	10s
publish-ghcr / release (aiida-core-with-services)	12s
test-arm64 / test	3m 21s
publish-ghcr / release (aiida-core-dev)	17s
publish-dockerhub / release (aiida-core-base)	20s
publish-dockerhub / release (aiida-core-with-services)	27s
publish-dockerhub / release (aiida-core-dev)	27s
	24m 19s

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