WebRequest can't connect to localhost when HTTP is used for connection

Reproduction steps:

1. Open the user’s attached project
2. Open “Assets/Scenes/SampleScene” scene
3. Enter the Play mode
4. Inspect the Console window

Expected result: Error “localhost:6419: Error: Cannot connect to destination host” is thrown
Actual result: Error “InvalidOperationException: Insecure connection not allowed” is thrown

Reproducible with: 2022.1.0a5, 2022.1.22f1, 2022.2.0b14, 2023.1.0a17
Not reproducible with: 2020.3.41f1, 2021.3.13f1, 2022.1.0a4

Reproducible on: macOS 12.6