ksud: make clippy happy (#2683)

https://github.com/rust-lang/rust-clippy/blame/e1be06240d2be922d7cd20226ebb9b6d0051d311/clippy_lints/src/format_args.rs#L168

userspace/ksud/src/debug.rs

@@ -30,7 +30,7 @@ fn set_kernel_param(uid: u32) -> Result<()> {
 fn get_pkg_uid(pkg: &str) -> Result<u32> {
     // stat /data/data/<pkg>
     let uid = rustix::fs::stat(format!("/data/data/{pkg}"))
-        .with_context(|| format!("stat /data/data/{}", pkg))?
+        .with_context(|| format!("stat /data/data/{pkg}"))?
         .st_uid;
     Ok(uid)
 }