[MM-19948] Set version on module file and internal paths (#13186)

* [MM-19948] Set version on module file and internal paths

* Fixes after merge

* Fix i18n checker error

api4/main_test.go

@@ -6,7 +6,7 @@ package api4
 import (
 	"testing"
 
-	"github.com/mattermost/mattermost-server/testlib"
+	"github.com/mattermost/mattermost-server/v5/testlib"
 )
 
 var mainHelper *testlib.MainHelper