replace from_timestamp by from_timestamp_opt #2892

Is your feature request related to a problem or challenge? Please describe what you are trying to do.

from_timestamp will be deprecated since chrono 0.4.23
https://github.com/chronotope/chrono/blob/main/src/naive/datetime/mod.rs#L117

Describe the solution you'd like

use from_timestamp_opt instead

Describe alternatives you've considered

Additional context