Timelock Authorizer V2

[EndymionJkb]

Address issues found during the Certora audit, namely the difficulty of distinguishing between "grant/revoke" permissions and "regular" permissions, leading to potentially dangerous (and unrecoverable) situations, especially if the root account were compromised

[nventuro]

(fwiw we did now about these things, the Certora review simply highlighted how hard they make it to understand the system).

We also want some small features, such as a dedicated permission for canceling (for the emergency subdao), and improve event support for granters/revokers/etc.

[EndymionJkb]

Can we close this now, after the last TimelockAuthorizer deployment?