* cannon: Simplify futex handling

* cannon: Cut envar and go ahead and implement new futex behavior directly

* cannon: Cut now unused onWaitComplete() method

* cannon: Update single-threaded mips call to getSyscallArgs

* cannon: Update contracts to match go vm

* cannon: Update solidity tests

* cannon: Reconcile MIPS.sol version with latest release (1.2.1)

* cannon: Update differential tests

* cannon: Cut wakeup field

* cannon: Remove thread futex fields

* cannon: Fix const name

* cannon: Add new cannon state versions

* cannon: Cut wakeup stats

* cannon: Fix ParseStateVersion(), add test

* cannon: Reenable evm validation in tests

* cannon: Temporarily use ad hoc cannon release

* cannon: Run semver lock

* cannon: Fix semver comment, run semver-lock

* cannon: Cut unused constants

* cannon: Use latest cannon release in op-stack-go dockerfile

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Co-authored-by: inphi <mlaw2501@gmail.com>