[BUILD] Update triton-shared commit (#9)

Author: zhzhcookie

python/setup_helper.py

@@ -29,7 +29,7 @@ class FlagTreeBackend:
 flagtree_backend_info = {
     "triton_shared":
     FlagTreeBackend(name="triton_shared", url="https://github.com/microsoft/triton-shared.git",
-                    tag="7f3836156f27df0debc5a5fcdea9bfa30ba7bbaa"),
+                    tag="5842469a16b261e45a2c67fbfc308057622b03ee"),
     "cambricon":
     FlagTreeBackend(name="cambricon", url="https://github.com/Cambricon/triton-linalg.git",
                     tag="00f51c2e48a943922f86f03d58e29f514def646d"),