WebGPUConstants: Add Missing Features

[cmhhelgeson]

Description

Add references to new GPU features as defined by the WebGPU spec: https://www.w3.org/TR/webgpu/#feature-index

[github-actions]

📦 Bundle size

Full ESM build, minified and gzipped.

	Before	After	Diff
WebGL	337.71 78.77	337.71 78.77	+0 B +0 B
WebGPU	557.6 154.28	557.9 154.38	+306 B +98 B
WebGPU Nodes	556.52 154.07	556.83 154.17	+306 B +102 B

🌳 Bundle size after tree-shaking

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

	Before	After	Diff
WebGL	468.94 113.46	468.94 113.46	+0 B +0 B
WebGPU	632.96 171.3	633.27 171.37	+306 B +74 B
WebGPU Nodes	588.01 160.61	588.32 160.71	+306 B +94 B