Update experimental GLTF Viewer with WebGPU

Author: GitHubDragonFly

viewers/templates/GLTF WebGPU.html

@@ -1825,7 +1825,7 @@
               URL.revokeObjectURL( fii );
             });
           } else if (fn_uc.endsWith('.KTX2')) {
-            const { decompress } = await import( 'three/addons/utils/WebGLTextureUtils.min.js' );
+            const { decompress } = await import( 'three/addons/utils/WebGPUTextureUtils.min.js' );
 
             ktx2_loader.load( URL.createObjectURL( fii ), async function( texture ) {
               URL.revokeObjectURL( fii );