docs/releases/tsr: add healthcheck change to 0.11 release notes
docs/releases/tsr: add healthcheck change to 0.11 release notes

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