Add SRV slots isage info for D3D12 shaders cache

Source/Engine/Graphics/Shaders/GPUShader.h

@@ -12,7 +12,7 @@ class GPUShaderProgram;
 /// <summary>
 /// The runtime version of the shaders cache supported by the all graphics back-ends. The same for all the shader cache formats (easier to sync and validate).
 /// </summary>
-#define GPU_SHADER_CACHE_VERSION 7
+#define GPU_SHADER_CACHE_VERSION 8
 
 /// <summary>
 /// Represents collection of shader programs with permutations and custom names.