[AMD] Bump Qwen3.5 FP8 MI355X image to v0.5.12.post1-rocm720-mi35x-20260528

Author: yichiche

.github/configs/amd-master.yaml

@@ -261,7 +261,7 @@ qwen3.5-fp8-mi325x-sglang:
       - { tp: 8, conc-start: 4, conc-end: 64 }
 
 qwen3.5-fp8-mi355x-sglang:
-  image: lmsysorg/sglang-rocm:v0.5.12-rocm720-mi35x-20260517
+  image: lmsysorg/sglang-rocm:v0.5.12.post1-rocm720-mi35x-20260528
   model: Qwen/Qwen3.5-397B-A17B-FP8
   model-prefix: qwen3.5
   runner: mi355x
@@ -283,7 +283,7 @@ qwen3.5-fp8-mi355x-sglang:
       - { tp: 4, ep: 1, conc-start: 32, conc-end: 256 }
 
 qwen3.5-fp8-mi355x-sglang-mtp:
-  image: lmsysorg/sglang-rocm:v0.5.12-rocm720-mi35x-20260517
+  image: lmsysorg/sglang-rocm:v0.5.12.post1-rocm720-mi35x-20260528
   model: Qwen/Qwen3.5-397B-A17B-FP8
   model-prefix: qwen3.5
   runner: mi355x