godot/scene/theme/icons/reload.svg

<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="#b2b2b2" d="M5 8a4 4 0 1 1 4 4v2a6 6 0 1 0-6-6H1l3 4 3-4z"/></svg>