How to reproduce:
1. Open Unity Hub
2. Press "New Project" button
3. Select 2023.1.0b13 version in "Editor Version" section
4. Find 3D Sample Scene (HDRP) Template
5. Press "Download template" button and observe
Expected: No warnings are thrown, template can be downloaded
Actual: Warning "Couldn't download template: Validation Failed" is thrown in Unity Hub
Reproduced with: 3.4.2-beta.2 Unity Hub (2023.1.0b13 Unity version)
HDRP Template version: v15.1.3
Reproduced on: Windows 10, MacBook Pro, M1 Max
Error from logs: Error occured in 'Source Availablity Check'. AxiosError: Request failed with status code 404