Update dependency diffusers to >=0.39.0,<0.40.0

Author: renovate[bot]

pyproject.toml

@@ -14,7 +14,7 @@ dependencies = [
     "torchmetrics>=1.9.0,<1.10.0",
     "accelerate>=1.14.0,<1.15.0",
     "transformers>=5.12.0,<5.13.0",
-    "diffusers>=0.38.0,<0.39.0",
+    "diffusers>=0.39.0,<0.40.0",
     "datasets>=5.0.0,<5.1.0",
     "evaluate>=0.4.0,<0.5.0",
     "opt-einsum>=3.4.0,<3.5.0",