WebGPURenderer: add missing texture.onUpdate() callback. (#26375)

* add support for meshPhongNodeMaterial

* support texture onUpdate callback

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Co-authored-by: aardgoose <angus.sawyer@email.com>

examples/jsm/renderers/webgpu/utils/WebGPUTextureUtils.js

@@ -243,6 +243,8 @@ class WebGPUTextureUtils {
 
 		textureData.version = texture.version;
 
+		if ( texture.onUpdate ) texture.onUpdate( texture );
+
 	}
 
 	async copyTextureToBuffer( texture, x, y, width, height ) {