Enable partial transpilation for upgradeable package (#4628)

Co-authored-by: Hadrien Croubois <hadrien.croubois@gmail.com>
(cherry picked from commit 58463a9823)

contracts/utils/Multicall.sol

@@ -7,6 +7,8 @@ import {Address} from "./Address.sol";
 
 /**
  * @dev Provides a function to batch together multiple calls in a single external call.
+ *
+ * @custom:stateless
  */
 abstract contract Multicall {
     /**