refactor(storage-api): remove namespace lock from StorageAPI (#3365)

* refactor(storage-api): remove namespace lock from StorageAPI

* test(scanner): wait for runtime budget cancellation

---------

Co-authored-by: loverustfs <hello@rustfs.com>

crates/ecstore/tests/storage_api_compat_test.rs

@@ -12,7 +12,12 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-use rustfs_ecstore::{disk::DiskStore, error::Error, store::ECStore};
+use rustfs_ecstore::{
+    disk::DiskStore,
+    error::Error,
+    store::ECStore,
+    store_api::{NamespaceLocking, StorageAPI},
+};
 use rustfs_storage_api::StorageAdminApi;
 
 fn storage_admin_api_type_name<T>() -> &'static str
@@ -27,7 +32,19 @@ where
     std::any::type_name::<T>()
 }
 
+fn storage_api_with_namespace_locking_type_name<T>() -> &'static str
+where
+    T: StorageAPI + NamespaceLocking,
+{
+    std::any::type_name::<T>()
+}
+
 #[test]
 fn ecstore_implements_storage_admin_api_contract() {
     assert!(storage_admin_api_type_name::<ECStore>().ends_with("::ECStore"));
 }
+
+#[test]
+fn ecstore_implements_storage_api_and_namespace_locking_contracts() {
+    assert!(storage_api_with_namespace_locking_type_name::<ECStore>().ends_with("::ECStore"));
+}