[new release] reason (2 packages) (3.16.0)
CHANGES:
- require OCaml >= 4.08 (@anmonteiro,
[reasonml/reason#2840](https://github.com/reasonml/reason/pull/2840))
- support ppxlib with OCaml 5.2 AST (and require ppxlib >= 0.36) (@anmonteiro,
[reasonml/reason#2835](https://github.com/reasonml/reason/pull/2835))