bump go to 1.26.4 #4735

Job	Run time
Basic Checks	4m 40s
Unit Tests	8m 19s
Integration Tests (smartbft)	20m 57s
Integration Tests (pvtdatapurge e2e)	24m 1s
Integration Tests (sbe nwo msp)	8m 11s
Integration Tests (raft)	14m 53s
Integration Tests (discovery gossip devmode pluggable)	8m 29s
Integration Tests (gateway idemix pkcs11 configtx configtxlator)	17m 11s
Integration Tests (pvtdata)	11m 2s
Integration Tests (lifecycle)	5m 57s
Integration Tests (ledger)	13m 49s
Basic Checks	4m 40s
Unit Tests	9m 6s
Integration Tests (pvtdata)	11m 2s
Integration Tests (raft)	14m 53s
Integration Tests (smartbft)	20m 57s
Integration Tests (sbe nwo msp)	8m 11s
Integration Tests (pvtdatapurge e2e)	24m 1s
Integration Tests (ledger)	13m 49s
Integration Tests (discovery gossip devmode pluggable)	8m 29s
Integration Tests (lifecycle)	5m 57s
Integration Tests (gateway idemix pkcs11 configtx configtxlator)	17m 11s
	4h 35m 45s

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