fix(rocm): failed to build rocm 6.4 sglang

Signed-off-by: thxCode <thxcode0824@gmail.com>

Author: thxCode

pack/matrix.yaml

@@ -212,5 +212,6 @@ rules:
       - "linux/amd64"
     args:
       - "ROCM_VERSION=6.4.4"
+      - "VLLM_AITER_VERSION=0.1.7.post2"
       - "SGLANG_BASE_IMAGE=gpustack/runner:rocm6.4-vllm0.15.1"
       - "SGLANG_BUILD_BASE_IMAGE=gpustack/runner:rocm6.4-vllm0.15.1"