Implement Clone for JSON DecoderOptions

[alamb]

Is your feature request related to a problem or challenge? Please describe what you are trying to do.
I was trying to integrate arrow-12 changes into DataFusion and the lack of Clone on the newly introduced DecoderOptions was annoying

Describe the solution you'd like
I would like the JSON DecoderOptions to implement Clone

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.