feat: set defaults for `--v2-upgrade-height` (#4091) #6326

Job	Run time
goreleaser / goreleaser-check	1m 37s
lint / golangci-lint	3m 42s
markdown-linter / markdown-lint	8s
markdown-linter / markdown-link-check	2m 27s
lint / yamllint	5s
test / test	10m 56s
test / test-coverage	5m 31s
test / test-fuzz	5m 39s
test / test-race	7m 44s
test / test-short	4m 16s
lint / hadolint / hadolint	9s
goreleaser / goreleaser	0s
	42m 14s

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