Ignore reentrancy inexecuteBatch and update Slither config (#3955)

Co-authored-by: Francisco <fg@frang.io>
(cherry picked from commit a5af0adce4)

contracts/governance/TimelockController.sol

@@ -316,6 +316,9 @@ contract TimelockController is AccessControl, IERC721Receiver, IERC1155Receiver
      *
      * - the caller must have the 'executor' role.
      */
+    // This function can reenter, but it doesn't pose a risk because _afterCall checks that the proposal is pending,
+    // thus any modifications to the operation during reentrancy should be caught.
+    // slither-disable-next-line reentrancy-eth
     function executeBatch(
         address[] calldata targets,
         uint256[] calldata values,