docs/releases/tsr: add the new multi-version Ruby platform
docs/releases/tsr: add the new multi-version Ruby platform

mderaldo/tsuru,gciotta/tsuru,firebitsbr/tsuru,tuxmonteiro/tsuru,jblancett/tsuru,RichardKnop/tsuru,tsuru/tsuru,kgrvamsi/tsuru,tuxmonteiro/tsuru,jblancett/tsuru,tsuru/tsuru,4eek/tsuru,mderaldo/tsuru,4eek/tsuru,cgvarela/tsuru,cgvarela/tsuru,RichardKnop/tsuru,kgrvamsi/tsuru,RichardKnop/tsuru,cezarsa/tsuru,tsuru/tsuru,firebitsbr/tsuru,guilhermebr/tsuru,kgrvamsi/tsuru,firebitsbr/tsuru,tsuru/tsuru,ggarnier/tsuru,ArxdSilva/tsuru,cezarsa/tsuru,hugoantunes/tsuru,Endika/tsuru,Endika/tsuru,guilhermebr/tsuru,gwmoura/tsuru,hcxiong/tsuru,ggarnier/tsuru,mderaldo/tsuru,ArxdSilva/tsuru,gciotta/tsuru,4eek/tsuru,gciotta/tsuru,hugoantunes/tsuru,tuxmonteiro/tsuru,cezarsa/tsuru,ggarnier/tsuru,cgvarela/tsuru,gwmoura/tsuru,hcxiong/tsuru,jblancett/tsuru,ggarnier/tsuru,guilhermebr/tsuru,cezarsa/tsuru,ArxdSilva/tsuru,ArxdSilva/tsuru,guilhermebr/tsuru,gwmoura/tsuru,Endika/tsuru,hcxiong/tsuru