Bump so version as well to 13.
Bump so version as well to 13.

Library version was bumped in commit 04e12b7858c999d7c8ff94accfc0ef698b37fad2,
this adjusts so version.

rku/marble,utkuaydin/marble,probonopd/marble,tzapzoor/marble,oberluz/marble,probonopd/marble,probonopd/marble,probonopd/marble,quannt24/marble,AndreiDuma/marble,tzapzoor/marble,quannt24/marble,David-Gil/marble-dev,AndreiDuma/marble,rku/marble,adraghici/marble,quannt24/marble,probonopd/marble,Earthwings/marble,rku/marble,tucnak/marble,adraghici/marble,David-Gil/marble-dev,adraghici/marble,probonopd/marble,utkuaydin/marble,quannt24/marble,rku/marble,AndreiDuma/marble,tzapzoor/marble,Earthwings/marble,quannt24/marble,utkuaydin/marble,quannt24/marble,utkuaydin/marble,oberluz/marble,AndreiDuma/marble,Earthwings/marble,Earthwings/marble,utkuaydin/marble,tzapzoor/marble,adraghici/marble,David-Gil/marble-dev,tzapzoor/marble,quannt24/marble,Earthwings/marble,tucnak/marble,tucnak/marble,oberluz/marble,probonopd/marble,David-Gil/marble-dev,oberluz/marble,oberluz/marble,oberluz/marble,David-Gil/marble-dev,tucnak/marble,AndreiDuma/marble,tucnak/marble,rku/marble,David-Gil/marble-dev,AndreiDuma/marble,Earthwings/marble,tzapzoor/marble,adraghici/marble,utkuaydin/marble,tzapzoor/marble,adraghici/marble,tucnak/marble,rku/marble,tucnak/marble,tzapzoor/marble