Bump XDM semver

packages/contracts-bedrock/contracts/L1/L1CrossDomainMessenger.sol

@@ -20,12 +20,12 @@ contract L1CrossDomainMessenger is CrossDomainMessenger, Semver {
     OptimismPortal public immutable PORTAL;
 
     /**
-     * @custom:semver 1.1.0
+     * @custom:semver 1.2.0
      *
      * @param _portal Address of the OptimismPortal contract on this network.
      */
     constructor(OptimismPortal _portal)
-        Semver(1, 1, 0)
+        Semver(1, 2, 0)
         CrossDomainMessenger(Predeploys.L2_CROSS_DOMAIN_MESSENGER)
     {
         PORTAL = _portal;

packages/contracts-bedrock/contracts/L2/L2CrossDomainMessenger.sol

@@ -17,12 +17,12 @@ import { L2ToL1MessagePasser } from "./L2ToL1MessagePasser.sol";
  */
 contract L2CrossDomainMessenger is CrossDomainMessenger, Semver {
     /**
-     * @custom:semver 1.1.0
+     * @custom:semver 1.2.0
      *
      * @param _l1CrossDomainMessenger Address of the L1CrossDomainMessenger contract.
      */
     constructor(address _l1CrossDomainMessenger)
-        Semver(1, 1, 0)
+        Semver(1, 2, 0)
         CrossDomainMessenger(_l1CrossDomainMessenger)
     {
         initialize();