Update SGLang image versions for Qwen3.5 configurations in amd-master.yaml to v0.5.9, ensuring compatibility with recent changes.

Author: Chen, Todd

.github/configs/amd-master.yaml

@@ -140,7 +140,7 @@ dsr1-fp8-mi355x-sglang:
     - { tp: 8, conc-start: 4, conc-end: 64 }
 
 qwen3.5-bf16-mi355x-sglang:
-  image: rocm/sgl-dev:v0.5.8.post1-rocm720-mi35x-20260215
+  image: lmsysorg/sglang-rocm:v0.5.9-rocm720-mi35x-20260325
   model: Qwen/Qwen3.5-397B-A17B
   model-prefix: qwen3.5
   runner: mi355x
@@ -228,7 +228,7 @@ qwen3.5-fp8-mi325x-sglang:
     - { tp: 8, conc-start: 4, conc-end: 64 }
 
 qwen3.5-fp8-mi355x-sglang:
-  image: rocm/sgl-dev:v0.5.8.post1-rocm720-mi35x-20260218
+  image: lmsysorg/sglang-rocm:v0.5.9-rocm720-mi35x-20260325
   model: Qwen/Qwen3.5-397B-A17B-FP8
   model-prefix: qwen3.5
   runner: mi355x