Fix cargo deny by turning off unused tabled features

Author: LegNeato

Cargo.lock

@@ -25,7 +25,7 @@ toml = { version = "0.8.20", default-features = false, features = ["parse"] }
 bytesize = "2.0.1"
 bytemuck = "1.21.0"
 difftest = { path = "../lib" }
-tabled = "0.15"
+tabled = { version = "0.15", default-features = false, features = ["std"] }
 
 [lints]
 workspace = true