Update Pipelines.js

Fix JSDoc.

src/renderers/common/Pipelines.js

@@ -344,7 +344,7 @@ class Pipelines extends DataMap {
 	 * @param {ProgrammableStage} stageFragment - The programmable stage representing the fragment shader.
 	 * @param {string} cacheKey - The cache key.
 	 * @param {?Array<Promise>} promises - An array of compilation promises which is only relevant in context of `Renderer.compileAsync()`.
-	 * @return {ComputePipeline} The compute pipeline.
+	 * @return {RenderPipeline} The render pipeline.
 	 */
 	_getRenderPipeline( renderObject, stageVertex, stageFragment, cacheKey, promises ) {