Downgrade upload artifact action to v3 (#159) #716

Job	Run time
Autobahn test suite (ws, version-1-6)	18m 7s
linux-amd64 (Nim version-1-6)	8m 45s
Autobahn test suite (ws, version-2-0)	20m 36s
linux-amd64 (Nim version-2-0)	9m 21s
Autobahn test suite (ws, devel)	22m 2s
linux-amd64 (Nim devel)	9m 43s
Autobahn test suite (wsc, version-1-6)	18m 59s
linux-i386 (Nim version-1-6)	11m 48s
Autobahn test suite (wsc, version-2-0)	23m 55s
linux-i386 (Nim version-2-0)	10m 37s
Autobahn test suite (wsc, devel)	22m 45s
linux-i386 (Nim devel)	10m 47s
Autobahn test suite (wss, version-1-6)	17m 58s
macos-amd64 (Nim version-1-6)	9m 51s
Autobahn test suite (wss, version-2-0)	20m 27s
macos-amd64 (Nim version-2-0)	14m 38s
Autobahn test suite (wss, devel)	21m 20s
macos-amd64 (Nim devel)	13m 14s
Autobahn test suite (wssc, version-1-6)	35m 34s
windows-amd64 (Nim version-1-6)	11m 24s
Autobahn test suite (wssc, version-2-0)	39m 10s
windows-amd64 (Nim version-2-0)	12m 32s
Autobahn test suite (wssc, devel)	39m 28s
windows-amd64 (Nim devel)	12m 30s
Deplay Autobahn results	3m 52s
	7h 19m 23s

Provide feedback