chore: upgrade sgl-kernel 0.3.7.post1 with deepgemm fix (#9822)

docker/Dockerfile

@@ -85,10 +85,10 @@ RUN python3 -m pip install --no-cache-dir --upgrade pip setuptools wheel html5li
  && python3 -m pip install --no-cache-dir nvidia-nccl-cu12==2.27.6 --force-reinstall --no-deps \
  && python3 -m flashinfer --download-cubin \
  && if [ "$CUDA_VERSION" = "12.8.1" ]; then \
-      python3 -m pip install --no-cache-dir https://github.com/sgl-project/whl/releases/download/v0.3.7/sgl_kernel-0.3.7+cu128-cp310-abi3-manylinux2014_x86_64.whl --force-reinstall --no-deps ; \
+      python3 -m pip install --no-cache-dir https://github.com/sgl-project/whl/releases/download/v0.3.7.post1/sgl_kernel-0.3.7.post1+cu128-cp310-abi3-manylinux2014_x86_64.whl --force-reinstall --no-deps ; \
     fi \
  && if [ "$CUDA_VERSION" = "12.9.1" ]; then \
-      python3 -m pip install --no-cache-dir https://github.com/sgl-project/whl/releases/download/v0.3.7/sgl_kernel-0.3.7+cu129-cp310-abi3-manylinux2014_x86_64.whl --force-reinstall --no-deps ; \
+      python3 -m pip install --no-cache-dir https://github.com/sgl-project/whl/releases/download/v0.3.7.post1/sgl_kernel-0.3.7.post1+cu129-cp310-abi3-manylinux2014_x86_64.whl --force-reinstall --no-deps ; \
     fi
 
 # Download source files

python/pyproject.toml

@@ -58,7 +58,7 @@ runtime_common = [
 
 srt = [
     "sglang[runtime_common]",
-    "sgl-kernel==0.3.7",
+    "sgl-kernel==0.3.7.post1",
     "torch==2.8.0",
     "torchaudio==2.8.0",
     "torchvision",

python/sglang/srt/entrypoints/engine.py

@@ -680,7 +680,7 @@ def _set_envs_and_config(server_args: ServerArgs):
     if _is_cuda and not get_bool_env_var("SGLANG_SKIP_SGL_KERNEL_VERSION_CHECK"):
         assert_pkg_version(
             "sgl-kernel",
-            "0.3.7",
+            "0.3.7.post1",
             "Please reinstall the latest version with `pip install sgl-kernel --force-reinstall`",
         )