* Remove type erased gpio structs
* Implement Peripheral for ErasedPin
* Simpler type erasing, accept ErasedPin in pin drivers, remove type erased drivers
* Reformulate pin drivers using Flex
* Erase gpio types by default
* Accept any pin in AnyPin
* Add changelog and migration guide
* Fix tests and examples
* Undo rename of clone_unchecked
* i2c hil test
* pin
* fmt
* Test
* WIP (gpio test left)
* Finalize the CODE part (to be cleaned up)
fmt
* Smaller cleanup
* cleanup
* rebase
* fix
* getting last chips ready
* Addressing reviews