Updating HDRP ground truth generators for new API

com.unity.perception/Runtime/GroundTruth/GroundTruthPass.cs

         public Camera targetCamera;
 
         bool m_IsActivated;
-        public abstract void SetupMaterialProperties(MaterialPropertyBlock mpb, MeshRenderer meshRenderer, Labeling labeling, uint instanceId);
+        public abstract void SetupMaterialProperties(MaterialPropertyBlock mpb, Renderer meshRenderer, Labeling labeling, uint instanceId);
 
         protected GroundTruthPass(Camera targetCamera)
         {

com.unity.perception/Runtime/GroundTruth/ObjectCountPass.cs

         {
         }
 
-        public override void SetupMaterialProperties(MaterialPropertyBlock mpb, MeshRenderer meshRenderer, Labeling labeling, uint instanceId)
+        public override void SetupMaterialProperties(MaterialPropertyBlock mpb, Renderer meshRenderer, Labeling labeling, uint instanceId)
         {
             if (!m_InstanceIdToLabelIndexLookup.IsCreated)
             {