fix: specs for `MaxDepositPeriod` (backport #2626) #2138

Job	Run time
lint / golangci-lint	26s
lint / yamllint	6s
markdown-linter / markdown-link-check	2m 26s
markdown-linter / markdown-lint	9s
test / test	10m 54s
test / test-short	3m 3s
test / test-coverage	10m 31s
test / test-race	7m 0s
lint / hadolint / hadolint	9s
version_bump	4s
goreleaser	0s
	34m 48s

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