[diffusion] multi-platform: support diffusion on amd and fix encoder loading on MI325 (#13760)

Co-authored-by: Sabre Shao <sabre.shao@amd.com>
Co-authored-by: Yusheng (Ethan) Su <yushengsu.thu@gmail.com>
Co-authored-by: Hubert Lu <Hubert.Lu@amd.com>
Co-authored-by: xsun <sunxiao04@gmail.com>

python/pyproject_cpu.toml

@@ -37,7 +37,7 @@ dependencies = [
   "ninja",
   "numpy",
   "openai-harmony==0.0.4",
-  "openai==1.99.1",
+  "openai==2.6.1",
   "orjson",
   "outlines==0.1.11",
   "packaging",