updated the changelog [ci skip]
updated the changelog [ci skip]

BlaneCordes/savon_vertex,savonrb/savon,advishnuprasad/savon,oafridi/savon,enahum/savon,Eric-Guo/savon,SICSoftwareGmbH/savon,billr578/savon,zerobatu/savon,latortuga/savon,mpangrazzi/savon,rtrepo/savon