fix .repeatWrapping() (#24922)

examples/jsm/renderers/webgpu/nodes/WebGPUNodeBuilder.js

@@ -78,9 +78,9 @@ fn threejs_mod( x : f32, y : f32 ) -> f32 {
 }
 ` ),
 	repeatWrapping: new CodeNode( `
-fn threejs_repeatWrapping( uv : vec2<f32>, dimension : vec2<i32> ) -> vec2<i32> {
+fn threejs_repeatWrapping( uv : vec2<f32>, dimension : vec2<u32> ) -> vec2<u32> {
 
-	let uvScaled = vec2<i32>( uv * vec2<f32>( dimension ) );
+	let uvScaled = vec2<u32>( uv * vec2<f32>( dimension ) );
 
 	return ( ( uvScaled % dimension ) + dimension ) % dimension;