Increase runtime impl_version

runtime/src/lib.rs

@@ -127,7 +127,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
     impl_name: create_runtime_str!("joystream-node"),
     authoring_version: 6,
     spec_version: 12,
-    impl_version: 0,
+    impl_version: 1,
     apis: RUNTIME_API_VERSIONS,
 };