Update qwen3.5-bf16-mi300x-sglang SGLang image to v0.5.12-rocm720-mi30x (#1426)

* Update qwen3.5-bf16-mi300x-sglang SGLang image to v0.5.12-rocm720-mi30x

Ref #1154

Co-authored-by: Klaud Cold <Klaud-Cold@users.noreply.github.com>

* fix(perf-changelog): restore from main + reappend PR entry

---------

Co-authored-by: claude[bot] <41898282+claude[bot]@users.noreply.github.com>
Co-authored-by: Klaud Cold <Klaud-Cold@users.noreply.github.com>
Co-authored-by: claude-fix-bot <claude-fix-bot@local>
Co-authored-by: functionstackx <47992694+functionstackx@users.noreply.github.com>

Author: 4 people

.github/configs/amd-master.yaml

@@ -162,7 +162,7 @@ qwen3.5-bf16-mi355x-sglang-mtp:
       - { tp: 8, ep: 1, conc-start: 4, conc-end: 256, spec-decoding: mtp }
 
 qwen3.5-bf16-mi300x-sglang:
-  image: lmsysorg/sglang:v0.5.10-rocm720-mi30x
+  image: lmsysorg/sglang:v0.5.12-rocm720-mi30x
   model: Qwen/Qwen3.5-397B-A17B
   model-prefix: qwen3.5
   runner: mi300x

perf-changelog.yaml

@@ -2711,3 +2711,9 @@
     - "Update vLLM image from v0.20.2 to v0.21.0"
     - "Add VLLM_MEMORY_PROFILER_ESTIMATE_CUDAGRAPHS=0 to disable aggressive CUDA-graph memory profiler that OOMs the KV cache"
   pr-link: https://github.com/SemiAnalysisAI/InferenceX/pull/1395
+
+- config-keys:
+    - qwen3.5-bf16-mi300x-sglang
+  description:
+    - "Update SGLang image from v0.5.10-rocm720-mi30x to v0.5.12-rocm720-mi30x"
+  pr-link: https://github.com/SemiAnalysisAI/InferenceX/pull/1426