expose linked map info to metadata (#2037)

* expose linked map info to metadata

* Make it non breaking change

* another way

* change to option 1

* bump metadata version

* fix test

* bump version and update wasm

substrate/node/runtime/src/lib.rs

@@ -58,8 +58,8 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	spec_name: create_runtime_str!("node"),
 	impl_name: create_runtime_str!("substrate-node"),
 	authoring_version: 10,
-	spec_version: 40,
-	impl_version: 40,
+	spec_version: 41,
+	impl_version: 41,
 	apis: RUNTIME_API_VERSIONS,
 };