feat: upgrade to v4 (backport #357) #972

Job	Run time
install-tparse	12s
split-test-files	19s
build (amd64)	1m 14s
cleanup-runs	6s
test-upgrade-name	7s
test-integration (00)	1m 46s
tests (00)	1m 34s
test-integration-multi-node (00)	1m 28s
test-integration (01)	1m 30s
tests (01)	1m 33s
test-integration (02)	1m 24s
test-integration-multi-node (01)	1m 32s
tests (02)	1m 28s
test-integration (03)	1m 42s
test-integration-multi-node (02)	1m 23s
tests (03)	1m 28s
test-integration-multi-node (03)	1m 35s
test-localnet-blocks	0s
upload-coverage-report	0s
test_integration_multi_node_report	9s
test-integration-report	8s
	20m 38s

Provide feedback