feat(musa): 添加对MUSA设备的支持

添加musa.txt依赖文件并修改setup.py以支持MUSA设备
包括添加_is_musa检查函数，更新版本信息和构建选项

requirements/musa.txt

@@ -0,0 +1,9 @@
+# Common dependencies
+-r common.txt
+
+numba == 0.61.2 # Required for N-gram speculative decoding
+
+# Dependencies for NVIDIA GPUs
+ray>=2.48.0 # Ray Compiled Graph, required for pipeline parallelism in V1.
+torch==2.7.1
+triton == 3.1.0  # FIXME(woosuk): This is a hack to avoid import error.