fix stub class types, fixing crash with iris 1.7.3

Author: fayer3

stubs/src/main/java/me/jellysquid/mods/sodium/client/render/immediate/model/ModelCuboid.java

@@ -1,4 +1,4 @@
 package me.jellysquid.mods.sodium.client.render.immediate.model;
 
-public interface ModelCuboid {
+public class ModelCuboid {
 }

stubs/src/main/java/net/caffeinemc/mods/sodium/client/render/immediate/model/ModelCuboid.java

@@ -1,4 +1,4 @@
 package net.caffeinemc.mods.sodium.client.render.immediate.model;
 
-public interface ModelCuboid {
+public class ModelCuboid {
 }

stubs/src/main/java/net/irisshaders/iris/compat/sodium/impl/shader_overrides/IrisChunkProgramOverrides.java

@@ -1,4 +1,4 @@
 package net.irisshaders.iris.compat.sodium.impl.shader_overrides;
 
-public interface IrisChunkProgramOverrides {
+public class IrisChunkProgramOverrides {
 }

stubs/src/main/java/net/irisshaders/iris/compat/sodium/impl/shader_overrides/IrisChunkShaderInterface.java

@@ -1,4 +1,4 @@
 package net.irisshaders.iris.compat.sodium.impl.shader_overrides;
 
-public interface IrisChunkShaderInterface {
+public class IrisChunkShaderInterface {
 }

stubs/src/main/java/net/irisshaders/iris/pipeline/SodiumTerrainPipeline.java

@@ -1,4 +1,4 @@
 package net.irisshaders.iris.pipeline;
 
-public interface SodiumTerrainPipeline {
+public class SodiumTerrainPipeline {
 }