Problem: versiondb NewKVStore don't accept string as store name #7278

Job	Run time
testground-test	29s
integration_tests (unmarked)	11m 28s
integration_tests (ibc)	14m 0s
integration_tests (ibc_rly_evm)	11m 41s
integration_tests (ibc_rly_gas)	15m 27s
integration_tests (ibc_timeout)	9m 1s
integration_tests (ibc_update_client)	10m 36s
integration_tests (ica)	17m 43s
integration_tests (gov)	7m 54s
integration_tests (upgrade)	13m 46s
integration_tests (slow)	13m 1s
integration_tests (gas)	8m 8s
upload-cache	0s
	2h 13m 14s

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