Do not output ViewportIndex on SPIR-V if GPU does not support it (#3644)

* Do not output ViewportIndex on SPIR-V if GPU does not support it

* Bump shader cache version

Ryujinx.Graphics.Shader/Translation/AttributeInfo.cs

@@ -78,6 +78,11 @@ namespace Ryujinx.Graphics.Shader.Translation
 
         public static bool Validate(ShaderConfig config, int value, bool isOutAttr)
         {
+            if (value == AttributeConsts.ViewportIndex && !config.GpuAccessor.QueryHostSupportsViewportIndex())
+            {
+                return false;
+            }
+
             return From(config, value, isOutAttr).IsValid;
         }