Update artifact action to version 4 #394

Job	Run time
quick-tests (sanity)	2m 10s
quick-tests (dry-run)	2m 10s
quick-tests (utilities)	2m 2s
quick-tests (report)	1m 57s
quick-tests (scripts)	2m 9s
quick-tests (docs)	2m 13s
functional-tests (qc-seq)	8m 37s
functional-tests (snv-indels)	15m 19s
functional-tests (itd)	8m 57s
functional-tests (fusion)	9m 46s
functional-tests (expression)	8m 50s
functional-tests (test-hamlet-targetted-RNA)	18m 46s
functional-tests (test-hamlet-chrM)	23m 24s
	1h 46m 20s

Provide feedback