unittest: fix deepgemm sha256 (#1953)

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## 📌 Description

Deepgemm unittest failed because of out-dated sha256, this PR fixes the
issue.

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<!-- This is an auto-generated comment: release notes by coderabbit.ai
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## Summary by CodeRabbit

* **Chores**
* Updated internal artifact version information to support latest
optimizations and improvements.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Author: yzh119

flashinfer/artifacts.py

@@ -93,7 +93,7 @@ class ArtifactPath:
 
 @dataclass(frozen=True)
 class MetaInfoHash:
-    DEEPGEMM: str = "b4374f857c3066089c4ec6b5e79e785559fa2c05ce2623710b0b04bf86414a48"
+    DEEPGEMM: str = "f161e031826adb8c4f0d31ddbd2ed77e4909e4e43cdfc9728918162a62fcccfb"
     TRTLLM_GEN_FMHA: str = (
         "2b8a485f2af84768bc769e678eb6014a8181ad95a7ea9e699de5efca4b18ec6a"
     )