Update default CUDA version to 12.4 (#1028)

Summary: Pull Request resolved: #1028

Reviewed By: wenxin0319

Differential Revision: D63041213

fbshipit-source-id: eaaa3db1655e880c92cb8c7ebcf1e3eb8b227ff0

Author: zhuhan0

python/aitemplate/backend/cuda/target_def.py

@@ -341,6 +341,8 @@ def __init__(self, arch="80", remote_cache_bytes=None, **kwargs):
                 FBCUDA.nvcc_option_json = json.load(nvcc_option_json)
         self.nvcc_options_json = FBCUDA.nvcc_option_json
         cuda_version = self.nvcc_option_json.get("cuda_version", None)
+        if cuda_version is None:
+            _LOGGER.warning("CUDA version is not specified in nvcc_option_json")
 
         self.remote_cache_bytes = remote_cache_bytes
         super().__init__(