fix: specs for `MaxDepositPeriod` (backport #2626) (#2649) #2144

Job	Run time
lint / yamllint	8s
markdown-linter / markdown-link-check	2m 21s
lint / golangci-lint	22s
markdown-linter / markdown-lint	8s
test / test	10m 17s
test / test-race	8m 22s
test / test-coverage	10m 39s
test / test-short	2m 22s
lint / hadolint / hadolint	8s
version_bump	4s
goreleaser	0s
	34m 51s

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