UnityWebRequest crashes if invoked when player is quitting

Unity: WebRequest

2023.3.X

2023.3.0a12 onwards

2023.2.X

2023.2.0b18 onwards

2022.3.X

2022.3.14f1 onwards

2021.3.X

2021.3.33f1 onwards

2023.1.X

2023.1.20f1 onwards

No longer supported version.

Steps to reproduce:

1. Attach the included script to a game object
2. Build a player
3. Observe crash