Add Reflection for Wrapping/Saturating types

[johnbchron]

Objective

• Extend reflection to the standard library's Wrapping and Saturating generic types.

This wasn't my use-case but someone in the discord was surprised that this wasn't already done. I decided to make a PR because the other std::num items were reflected and if there's a reason to exclude Wrapping and Saturating, I am unaware of it.

Solution

Trivial fix

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Changelog

Implemented Reflect for Wrapping<T> and Saturating<T> from std::num.

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[MrGVSV]

Nit: It might be nice to add a test for these since derives on generics can be a bit wonky haha. Not required though since I believe other reflect_value generics are tested

[BD103]

You can use static_assertions similar to how it was used #11407. Check out the assert_impl_all macro.

[MrGVSV]

LGTM! We could consider forcing additional bounds (i.e. PartialEq) that we know most wrapped/saturated types implement so that we can register additional type data. But for now, I think we should leave it as is.

[james7132]

Please fill out the full PR description template. We use tools to build our changelogs and migration guides from them. No migration guide is needed here, but the changelog should be appropriately filled out.

[johnbchron]

the changelog should be appropriately filled out.

Done.