* add a protection mechanism to prevent relaying transaction that are not
part of an execute operation
* more accurate relay authorization
* force reset the relay authorizations after executions
* refactor of the onlyGovernor modifier
* only whitelist when executor is not governor itself
* fix lint
* add private function for call permission management
* use deque
* fix lint
* remove unecessary dependency
* remove unecessary dependency
* comment rephrasing
* Update contracts/governance/Governor.sol
Co-authored-by: Francisco Giordano <frangio.1@gmail.com>
* cache keccak256(_msgData())
* use Context
* lint
* conditionnal clear
* add test to cover queue.clear()
* lint
* write more extended docs for onlyGovernance
* add changelog entry
Co-authored-by: Francisco Giordano <frangio.1@gmail.com>
