* cannon: Prep test utils to handle Mips2.sol

* cannon: Add metadata struct to hold all contract-related metadata

* cannon: Add forge debug test for mips2

* cannon: Fix path to mips2 artifacts in testutil

* cannon: Rework evm tests to run across both cannon impls

* cannon: Skip failing test for now, add todo

* cannon: Rename FPVMState.GetRegisters to GetRegistersMutable

* cannon: Run linter

* cannon: Fix skipped claim test

* cannon: Rename FPVMState registers getter to follow convention

* cannon: Rename cpu getter to match naming convention

* cannon: Fix bad merge - elf paths, versioned references