Bump ant from 1.7.0 to 1.9.15 in /ant#3

dependabot[bot] wants to merge 1 commit intorenamerdweiss/proguard:renamerfrom

dependabot/maven/ant/org.apache.ant-ant-1.9.15dweiss/proguard:dependabot/maven/ant/org.apache.ant-ant-1.9.15Copy head branch name to clipboard