This site often archives faces by various creators. You can find Ismaël Bennacer's face, including versions converted from PES 2021 to PES 2017 by creators like mh_pesefootball.

Use a tool to add the new face to your game's active patch list.

If the file is in a folder format (for Sider), place it in the directory and add the corresponding line to your sider.ini . g., PES 2017, 2021) or a particular mod like SmokePatch ?