fix: Moved optimal bandwidth to base forwarder

src/templates/BaseForwarderAdaptersUpdate.sol

@@ -28,6 +28,11 @@ abstract contract BaseForwarderAdaptersUpdate is IBaseForwarderAdaptersUpdate {
     return new ICrossChainForwarder.ForwarderBridgeAdapterConfigInput[](0);
   }
 
+  /// @inheritdoc IBaseForwarderAdaptersUpdate
+  function getOptimalBandwidthByChain() public view virtual returns (ICrossChainForwarder.OptimalBandwidthByChain[] memory) {
+    return new ICrossChainForwarder.OptimalBandwidthByChain[](0);
+  }
+
   /// @inheritdoc IBaseForwarderAdaptersUpdate
   function executeForwardersUpdate(address crossChainController) public virtual {
     // remove forwarding adapters
@@ -43,5 +48,12 @@ abstract contract BaseForwarderAdaptersUpdate is IBaseForwarderAdaptersUpdate {
     if (forwardersToEnable.length != 0) {
       ICrossChainForwarder(crossChainController).enableBridgeAdapters(forwardersToEnable);
     }
+
+    // update optimal bandwidth
+    ICrossChainForwarder.OptimalBandwidthByChain[] 
+      memory optimalBandwidthByChain = getOptimalBandwidthByChain();
+    if (optimalBandwidthByChain.length != 0) {
+      ICrossChainForwarder(crossChainController).updateOptimalBandwidthByChain(optimalBandwidthByChain);
+    }
   }
 }

src/templates/interfaces/IBaseForwarderAdaptersUpdate.sol

@@ -27,6 +27,15 @@ interface IBaseForwarderAdaptersUpdate {
     view
     returns (ICrossChainForwarder.ForwarderBridgeAdapterConfigInput[] memory);
 
+  /**
+   * @notice method to get the optimal bandwidth by chain
+   * @return object array with the chainId and the optimal bandwidth
+   */
+  function getOptimalBandwidthByChain() 
+    external 
+    view 
+    returns (ICrossChainForwarder.OptimalBandwidthByChain[] memory);
+
   /**
    * @notice method to add and remove forwarder adapters
    * @param crossChainController address of the CCC on the networks where the adapters are going to be updated