A quick run to make rig more suitable for animation. Based on Auto Rig.
Blender file: (MEGA) https://mega.nz/file/JlEiWLwJ#DJ0ag9OIump52K19rCFkI7fzVByAvZSufZ4xW976YYo
Textures: (MEGA) https://mega.nz/file/slVAUbSI#RAt0TGXE5ThmE7RJDGpfOyuX7_lRGie4nJAVwFTHYJ0
PS. This and other models are available in the public repository: https://mega.nz/folder/5hkhEQaS#2pqAZ8-DOOwVckONraKJNw