add rust-version 1.83 to net-utils (anza-xyz#5009)

add rust-version to net-utils

Author: kevinheavey

net-utils/Cargo.toml

@@ -8,6 +8,7 @@ repository = { workspace = true }
 homepage = { workspace = true }
 license = { workspace = true }
 edition = { workspace = true }
+rust-version = "1.83.0"
 
 [dependencies]
 anyhow = { workspace = true }