HTTPS requests are marginally slow when using HttpClient

Unity: Mono

6.0.X

2023.2.X

2022.3.X

2021.3.X

Closing as Won't fix due to 2023.2 reaching it's EOL.

How to reproduce:
1. Setup the server
2. Open the “UnitySlowHttpClient” project
3. Open the “MainScene”
4. Enter Play Mode
5. Observe the Console

Expected result: The very first HTTPS request is around 500-600ms
Actual result: The very first HTTPS request is around 2400-2500ms

Reproduced with: 2021.3.36f1, 2022.3.22f1, 2023.2.17f1, 6000.0.0b13

Reproduced on: Windows 11
Not reproduced on: No other environment tested

Notes:
1. Instructions on how to setup the server are provided in the internal comments
2. Reproducible in the Player