Fix JSDoc Example

[leannepepper]

Description
Fix syntax error in MRTNode JSDoc example

Remove extra closing parenthesis in the MRTNode class JSDoc code example.
The example had } ) ); instead of } );

[github-actions]

📦 Bundle size

Full ESM build, minified and gzipped.

	Before	After	Diff
WebGL	355.34 84.47	355.34 84.47	+0 B +0 B
WebGPU	618.69 171.84	618.69 171.84	+0 B +0 B
WebGPU Nodes	617.29 171.6	617.29 171.6	+0 B +0 B

🌳 Bundle size after tree-shaking

Minimal build including a renderer, camera, empty scene, and dependencies.

	Before	After	Diff
WebGL	487.5 119.33	487.5 119.33	+0 B +0 B
WebGPU	690.95 187.49	690.95 187.49	+0 B +0 B
WebGPU Nodes	640.79 174.72	640.79 174.72	+0 B +0 B