Transaction versioning in the RuntimeVersion (#5582)

* Add transaction_version

* Semantic versioning for runtimes

* Move new field to bottom

* Versioning

* Runtime versioning stuff.

* Fix test

* Adds tests and fixes bugs

* Bump runtime

Co-authored-by: Bastian Köcher <git@kchr.de>

substrate/bin/node/runtime/src/lib.rs

@@ -130,6 +130,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	spec_version: 243,
 	impl_version: 0,
 	apis: RUNTIME_API_VERSIONS,
+	transaction_version: 1,
 };
 
 /// Native version.