refactor(client/v2): use tx factoryV2 #76746

Job	Run time
split-test-files	11s
test-clientv2	42s
test-integration	6m 28s
test-sim-nondeterminism	29s
test-core	25s
test-coretesting	25s
test-depinject	28s
test-errors	27s
test-math	32s
test-collections	24s
test-indexer-postgres	24s
test-schema	25s
test-schema-testing	24s
test-simapp-v2	5m 37s
test-collections-protocodec	24s
test-confix	25s
test-cosmovisor	27s
test-hubl	27s
test-orm	30s
test-store-v2	47s
test-store	41s
test-log	34s
test-x-accounts	25s
test-x-accounts-lockup	24s
test-x-accounts-multisig	23s
test-x-circuit	25s
test-x-accounts-base	24s
test-x-nft	24s
test-x-distribution	24s
test-x-protocolpool	24s
test-x-tx	22s
test-x-evidence	24s
test-x-feegrant	30s
test-x-gov	29s
test-x-group	25s
test-x-slashing	26s
test-x-upgrade	36s
test-tools-benchmark	32s
test-x-authz	32s
test-x-consensus	26s
test-x-bank	28s
test-x-epochs	33s
test-x-mint	28s
test-x-staking	26s
tests (00)	8m 16s
tests (01)	3m 29s
tests (02)	3m 48s
tests (03)	4m 9s
repo-analysis	35s
	51m 43s

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