`tryparse` throws an `InexactError` in millisecond `DateFormat`

[bachdavi]

When using the date format "s" ,tryparse throws an InexactError in the case the input is not parsable as milliseconds. The throw InexactError was introduced in #22198 following issue #22100. I suppose we could simply return nothing instead of throwing here? 🙂

julia/stdlib/Dates/src/io.jl

Line 153 in a0093d2

r == 0 || throw(InexactError(:convert, Decimal3, ms0))

Example:

using Dates; tryparse(Date, "2018-01-01", DateFormat("s"))

I created a PR for this change: #44004