Update dsr1-fp4-b300-sglang SGLang image to v0.5.12-cu130 (#1418)

Ref #1154

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

Author: Klaud-Cold

.github/configs/nvidia-master.yaml

@@ -1827,7 +1827,7 @@ dsv4-fp4-b200-vllm-mtp:
 # does not have a B300-specific recipe, so this config reuses the existing DSR1 FP4
 # B200 SGLang recipe as-is until B300-specific tuning is available.
 dsr1-fp4-b300-sglang:
-  image: lmsysorg/sglang:v0.5.11-cu130
+  image: lmsysorg/sglang:v0.5.12-cu130
   model: nvidia/DeepSeek-R1-0528-FP4-V2
   model-prefix: dsr1
   runner: b300

perf-changelog.yaml

@@ -2548,3 +2548,9 @@
   description:
     - "Update vLLM image from v0.20.2 to v0.21.0"
   pr-link: https://github.com/SemiAnalysisAI/InferenceX/pull/1402
+
+- config-keys:
+    - dsr1-fp4-b300-sglang
+  description:
+    - "Update SGLang image from v0.5.11-cu130 to v0.5.12-cu130"
+  pr-link: XXX