The lights don't exhibit shadows when "Strict shader variant matching" is disabled in Windows Standalone Player

Reproduction steps:
1. Open the attached project "ReproProj"
2. Open Player Settings (Edit > Project Settings > Player)
3. Disable “Strict shader variant matching“
4. Open Build Profiles (File > Build Profiles)
5. Make sure “/Assets/VolumetricLights/Demos/Minimal/Scene/Demo.unity” is selected in the Scene List
6. Build and Run

Expected result: The shadows are cast
Actual result: The lights don't exhibit shadows

Reproducible with: 6000.1.3f1, 6000.2.0b1
Not reproducible with: 2022.3.52f1, 6000.0.49f1

Reproducible on:
Windows Standalone Player

Not reproducible on:
Play Mode
Mac

Testing environment: Windows 10 Enterprise 21H2
Not reproducible on: No other environment tested

Note:

• FAV was not found due to inconsistent reproduction