chore: log schema version when we error due to future db

src/persistence/history.cpp

@@ -196,7 +196,8 @@ void dbSchemaUpgrade(std::shared_ptr<RawDatabase>& db)
     }
 
     if (databaseSchemaVersion > SCHEMA_VERSION) {
-        qWarning() << "Database version is newer than we currently support. Please upgrade qTox";
+        qWarning().nospace() << "Database version (" << databaseSchemaVersion <<
+            ") is newer than we currently support (" << SCHEMA_VERSION << "). Please upgrade qTox";
         // We don't know what future versions have done, we have to disable db access until we re-upgrade
         db.reset();
         return;