uucore/Cargo.toml: add [lints] workspace = true

Author: cakebaker

src/uucore/Cargo.toml

@@ -15,6 +15,9 @@ version.workspace = true
 [package.metadata.docs.rs]
 all-features = true
 
+[lints]
+workspace = true
+
 [lib]
 path = "src/lib/lib.rs"