Do not use deprecated from_timestamp from chrono (#1980)

* Do not use deprecated from_timestamp from chrono

CI is failing because
[from_timestamp](https://docs.rs/chrono/latest/chrono/naive/struct.NaiveDateTime.html#method.from_timestamp

)
is now deprecated.

Signed-off-by: Daniele Ahmed <ahmeddan@amazon.de>

* Update changelog

Signed-off-by: Daniele Ahmed <ahmeddan@amazon.de>

* Fix error

Signed-off-by: Daniele Ahmed <ahmeddan@amazon.de>

* Use with_ymd_and_hms

Signed-off-by: Daniele Ahmed <ahmeddan@amazon.de>

Signed-off-by: Daniele Ahmed <ahmeddan@amazon.de>