Adding `safetensors` variant of this model

.gitattributes

@@ -35,3 +35,4 @@ samples/0019.png filter=lfs diff=lfs merge=lfs -text
 samples/0029.png filter=lfs diff=lfs merge=lfs -text
 samples/0039.png filter=lfs diff=lfs merge=lfs -text
 samples/0049.png filter=lfs diff=lfs merge=lfs -text
+unet/diffusion_pytorch_model.safetensors filter=lfs diff=lfs merge=lfs -text

unet/diffusion_pytorch_model.safetensors

@@ -0,0 +1,3 @@
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+size 454741132