Landed into 2021.1/staging on 2021-03-31

Removing unused namespaces

7.x.x Adds support for the PlayStation 5 platform (Unity-Technologies…

…#3690)

* Updating raytracing #include files to match the case they are on disk so that these shaders will pass the new pre-commit git hooks.

* Update any #pragma only_renderers that support ps4 to supporting both ps4 and ps5.

* Add PS5 support for GraphicsDeviceType queries.

* Add PS5 support for RuntimePlatform and BuildTarget

* Switch to using separate PS4 and PS5 render pipeline. Docs, changelogs and remaining changes from the master PR.

* Update minimum Unity editor version to 2019.4.23f1 to match the version that PlayStation 5 is added into the enums.

* Update CHANGELOG.md

* [VFX] Fixed Platform/dx12/vfx rwbuffer fix Unity-Technologies#3797

* Create ValidationExceptions.json

* update screenshots

* Create ValidationExceptions.json.meta

* Update 8101_Opaque.png

Co-authored-by: Sebastien Lagarde <sebastien@unity3d.com>
Co-authored-by: Adrian1066 <44636759+Adrian1066@users.noreply.github.com>

Landed into 2021.1/staging on 2021-03-20

Landed into 2021.2 on 2021-03-12

bump min version to 2020.3.0f1

Landed into 2021.1/staging on 2021-03-09

Landed into trunk on 2021-06-03

Mercurial 2020.2.7f1.4104 - rev c53830e277f1

Update package.json