Bump dubbo from 2.7.4.1 to 2.7.15 in /project-manager#4

dependabot[bot] wants to merge 1 commit intomasterarcthetype/arc-project:masterfrom

dependabot/maven/project-manager/org.apache.dubbo-dubbo-2.7.15arcthetype/arc-project:dependabot/maven/project-manager/org.apache.dubbo-dubbo-2.7.15Copy head branch name to clipboard