bump {upload,download}-artifact workflows to v4 #846

Job	Run time
Build nikos	1m 22s
Build nikos	1m 22s
Check GLIBC references	2s
Check GLIBC references	2s
Molecule tests (fedora, host)	1s
Molecule tests (fedora, host)	30m 17s
Molecule tests (fedora, container)	1s
Molecule tests (fedora, container)	41m 33s
Molecule tests (centos, host)	1s
Molecule tests (centos, host)	7m 57s
Molecule tests (centos, container)	1s
Molecule tests (centos, container)	12m 53s
Molecule tests (opensuse, host)	1s
Molecule tests (opensuse, host)	13m 2s
Molecule tests (opensuse, container)	1s
Molecule tests (opensuse, container)	36m 42s
Molecule tests (debian, host)	1s
Molecule tests (debian, host)	11m 54s
Molecule tests (debian, container)	1s
Molecule tests (debian, container)	17m 16s
Molecule tests (ubuntu, host)	1s
Molecule tests (ubuntu, host)	22m 27s
Molecule tests (ubuntu, container)	1s
Molecule tests (ubuntu, container)	18m 35s
Molecule tests (oracle, host)	1s
Molecule tests (oracle, host)	3m 22s
Molecule tests (oracle, container)	1s
Molecule tests (oracle, container)	33m 53s
Molecule tests (amazon-linux, host)	1s
Molecule tests (amazon-linux, host)	5m 17s
Molecule tests (amazon-linux, container)	1s
Molecule tests (amazon-linux, container)	10m 22s
	4h 28m 32s

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