bump fabric-chaincode-go to v2.3.0 #3984

Job	Run time
Basic Checks	3m 33s
Unit Tests	10m 4s
Integration Tests (raft)	14m 24s
Integration Tests (pvtdata)	13m 58s
Integration Tests (pvtdatapurge e2e)	22m 14s
Integration Tests (ledger)	15m 28s
Integration Tests (lifecycle)	7m 14s
Integration Tests (smartbft)	19m 54s
Integration Tests (discovery gossip devmode pluggable)	10m 15s
Integration Tests (gateway idemix pkcs11 configtx configtxlator)	19m 46s
Integration Tests (sbe nwo msp)	9m 24s
	2h 26m 14s

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