Fix a Pendulum date time object to have correct typing

[07pepa]

• removed handler that vas coercing it to native datetime values
• added test to verify correct typing after parsing

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

:loudspeaker: Thoughts on this report? Let us know!

[07pepa]

@yezz123 This is ready to merge