[Snyk] Security upgrade com.squareup.retrofit2:retrofit from 2.9.0 to 3.0.0#12

AnisioMandlate wants to merge 1 commit intomasterpaymentsds/mpesa-java-sdk:masterfrom

snyk-fix-f8968c461c29689fbf148c12e00834acpaymentsds/mpesa-java-sdk:snyk-fix-f8968c461c29689fbf148c12e00834acCopy head branch name to clipboard