Update GTAONode.js

Fix link.

examples/jsm/tsl/display/GTAONode.js

@@ -29,7 +29,7 @@ let _rendererState;
  * postProcessing.outputNod = aoPass.getTextureNode().mul( scenePassColor );
  * ```
  *
- * Reference: {@link https://www.activision.com/cdn/research/Practical_Real_Time_Strategies_for_Accurate_Indirect_Occlusion_NEW%20VERSION_COLOR.pdf}.
+ * Reference: [Practical Real-Time Strategies for Accurate Indirect Occlusionnpmm](https://www.activision.com/cdn/research/Practical_Real_Time_Strategies_for_Accurate_Indirect_Occlusion_NEW%20VERSION_COLOR.pdf).
  *
  * @augments TempNode
  * @three_import import { ao } from 'three/addons/tsl/display/GTAONode.js';