release: increase mainnet runtime version

Author: dnjscksdn98

runtime/mainnet/src/lib.rs

@@ -141,7 +141,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	// The version of the authorship interface.
 	authoring_version: 1,
 	// The version of the runtime spec.
-	spec_version: 2016,
+	spec_version: 2017,
 	// The version of the implementation of the spec.
 	impl_version: 1,
 	// A list of supported runtime APIs along with their versions.