Describe the bug
When using dayjs('10-10').format('MM.DD') on iOS (Safari), the result is 10.01 instead of the expected 10.10.

Expected behavior
The expected result should be 10.10 when formatting the date as MM.DD.

Information

• Day.js Version [e.g. v1.0.0]
• OS: [iOS]
• Browser [safari]
• Time zone: [e.g. GMT-07:00 DST (Pacific Daylight Time)]