The moiré artifacts generated from a Spot Light when the application is built with WebGPU backend support

How to reproduce:
1. Open the “WebGPU-ShadowTest“ project
2. Navigate to “Edit/Project Settings/Player/Other Settings/Graphics APIs“ and add WebGPU
3. Build and Run the “Test“ scene for WebGL
4. Observe the WebGL application

Expected result: No moiré artifacts on the lit areas of objects
Actual result: Moiré artifacts on the lit areas of objects

Reproducible with: 6000.0.18f1
Could not test with: 2021.3.43f1, 2022.3.45f1 (WebGPU not supported)

Reproducible on: macOS 14.6.1 (Intel), Windows 10 Pro (22H2)
Not reproducible on: No other environments tested

Notes:

• Not reproducible in the Editor’s Play Mode
• Not reproducible with Point Light