Shadow flickering occurs when 16:10 aspect ratio is enabled and the "Rendering Path" is set to "Deferred"

Reproduction steps:
1. Open the “repro_IN-72649“ project
2. Open the “/Assets/Scenes/SampleScene.unity”
3. In the “/Assets/Settings/URP-HighFidelity-Renderer.asset“, select “Deferred“ in the “Rendering → Rendering Path“ parameter
4. Enter the Play Mode
5. In the Game view, select the “16:10 Aspect” aspect ratio
6. Observe the Game view

Expected result: The game displays without any issues
Actual result: There’s a visible shadow flickering on the “Cube“ GameObject

Reproducible with: 2021.3.37f1, 2022.3.23f1, 2023.2.17f1, 6000.0.0b14

Reproducible on: Windows 11 (10.0.22621) (user’s), Windows 10 (22H2)
Not reproducible on: No other environments tested

Notes:

• Reproducible in Player when built with 16:10 aspect ratio (tested with “Windowed”, 1280x800) set in the Player Settings
• Setting the aspect ratio as any other fixes the flickering