bump github.com/spf13/cobra to v1.8.1 #3727

Job	Run time
Basic Checks	3m 2s
Basic Checks	3m 2s
Unit Tests	8m 44s
Unit Tests	8m 44s
Integration Tests (raft)	12m 16s
Integration Tests (raft)	12m 16s
Integration Tests (pvtdata)	12m 8s
Integration Tests (pvtdata)	10m 47s
Integration Tests (pvtdatapurge e2e)	10m 58s
Integration Tests (pvtdatapurge e2e)	10m 58s
Integration Tests (ledger)	13m 48s
Integration Tests (ledger)	13m 48s
Integration Tests (lifecycle)	7m 11s
Integration Tests (lifecycle)	7m 11s
Integration Tests (smartbft)	19m 57s
Integration Tests (smartbft)	19m 57s
Integration Tests (discovery gossip devmode pluggable)	5m 54s
Integration Tests (discovery gossip devmode pluggable)	5m 54s
Integration Tests (gateway idemix pkcs11 configtx configtxlator)	18m 26s
Integration Tests (gateway idemix pkcs11 configtx configtxlator)	18m 26s
Integration Tests (sbe nwo msp)	8m 24s
Integration Tests (sbe nwo msp)	8m 24s
	4h 0m 15s

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