How to reproduce:
1. Open the “Repro” project
2. Open the Player settings window (Edit > Project Settings > Player)
3. Navigate to the Other Settings sub-menu
4. Set Scripting Backend to Mono
5. Set Managed Stripping Level to “disabled”
6. Build the project (File > Build Settings > Build)
7. Check the “Managed” folder here: YourProjectPath\Builds\WindowsTest\Repro_Data\Managed

Expected result: .pdb files are created
Actual result: .pdb are not created

Reproducible in: 2021.3.34f1, 2022.3.17f1, 2023.2.6f1, 2023.3.0b3

Reproduced on: Windows 10
Not reproduced on: No other environments tested