Fix compatibility with Optifine 1.12.2 E1

Optifine has changed some package names, this commit deals with that.

src/main/java/com/replaymod/compat/shaders/mixin/MixinShadersRender.java

@@ -9,7 +9,10 @@ import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
 @Pseudo
-@Mixin(targets = "shadersmod/client/ShadersRender", remap = false)
+@Mixin(targets = {
+        "shadersmod/client/ShadersRender", // Pre Optifine 1.12.2 E1
+        "net/optifine/shaders/ShadersRender" // Post Optifine 1.12.2 E1
+}, remap = false)
 public abstract class MixinShadersRender {
 
     @Inject(method = "renderHand0", at = @At("HEAD"), cancellable = true)