chore(api): update graphon filter revision

Point the temporary Graphon source pin at the latest langgenius/graphon#146 head after its event filter updates.

Author: laipz8200

api/pyproject.toml

@@ -97,7 +97,7 @@ dify-trace-mlflow = { workspace = true }
 dify-trace-opik = { workspace = true }
 dify-trace-tencent = { workspace = true }
 dify-trace-weave = { workspace = true }
-graphon = { git = "https://github.com/langgenius/graphon.git", rev = "853bd461c42489a3fcf26cf36f2831ba03c444a6" }
+graphon = { git = "https://github.com/langgenius/graphon.git", rev = "a24cf1f227c4b91494779be40c754cb4107c60ed" }
 
 [tool.uv]
 default-groups = ["storage", "tools", "vdb-all", "trace-all"]