Fix clippy warnings: remove needless borrows in build.rs

build.rs

@@ -105,11 +105,11 @@ fn build_documentation() {
 
                 let copy_result = if cfg!(target_os = "windows") {
                     Command::new("xcopy")
-                        .args(&["/E", "/I", "/Y", "docs\\book", "static\\docs"])
+                        .args(["/E", "/I", "/Y", "docs\\book", "static\\docs"])
                         .status()
                 } else {
                     Command::new("cp")
-                        .args(&["-r", "docs/book", "static/docs"])
+                        .args(["-r", "docs/book", "static/docs"])
                         .status()
                 };