fix nom version

hercules_ir/Cargo.toml

@@ -6,7 +6,7 @@ edition = "2021"
 
 [dependencies]
 rand = "*"
-nom = "*"
+nom = "6.2.2"
 ordered-float = { version = "*", features = ["serde"] }
 bitvec = "*"
 serde = { version = "*", features = ["derive"] }