Update astar spec due to changes

Author: Dinonard

runtime/astar/src/lib.rs

@@ -138,7 +138,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
     spec_name: create_runtime_str!("astar"),
     impl_name: create_runtime_str!("astar"),
     authoring_version: 1,
-    spec_version: 77,
+    spec_version: 78,
     impl_version: 0,
     apis: RUNTIME_API_VERSIONS,
     transaction_version: 2,