runtime-rs: Correct the mount type for emptydir with local storage

Previous set for the Mount.type with `bind` is wrong, and for local
storage, the type of Mount should be `local`.

This commit aims to correct the type with "local".

Signed-off-by: Alex Lyn <alex.lyn@antgroup.com>

src/runtime-rs/crates/resource/src/volume/local_volume.rs

@@ -80,7 +80,7 @@ impl LocalStorage {
         let mounts: Vec<oci::Mount> = if sid != cid {
             let mut mount = oci::Mount::default();
             mount.set_destination(m.destination().clone());
-            mount.set_typ(Some("bind".to_string()));
+            mount.set_typ(Some(KATA_K8S_LOCAL_STORAGE_TYPE.to_string()));
             mount.set_source(Some(PathBuf::from(&source)));
             mount.set_options(m.options().clone());
             vec![mount]