* contracts-bedrock: only set xDomainMsgSender on a fresh deployment

* contracts-bedrock: Prevent double relaying a message with reentrancy

* contracts-bedrock: bump semvers

* bindings and semver-lock

* contracts-bedrock: Update slither report

* contracts-bedrock: Update test to demonstrate non-replayability during upgrades

* contracts-bedrock: Do not reinit Portals L2 Sender if it is nonzero

--wip--

* contracts-bedrock: Use assert instead of require for unreachable errors

* Update L1CrossDomainMessenger.t.sol

* contracts-bedrock: update semver lock, bindings, slither