Merge pull request #5079 from mnaamani/joystream-js-bump #5952

Job	Run time
MacOS Checks (18.x)	9m 49s
Ubuntu Checks (18.x)	5m 36s
Build joystream/node	30s
Tests (full)	1h 0m 48s
Tests (setupNewChain)	13m 38s
Runtime Upgrade from production runtime	0s
Tests (setupNewChainMultiStorage)	13m 15s
Tests (bonding)	14m 56s
Tests (storageSync)	23m 1s
	2h 21m 33s

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