Bump dubbo from 2.6.2 to 2.6.12 in /user-shanghai#9

dependabot[bot] wants to merge 1 commit intomasterrxxfd/-:masterfrom

dependabot/maven/user-shanghai/com.alibaba-dubbo-2.6.12rxxfd/-:dependabot/maven/user-shanghai/com.alibaba-dubbo-2.6.12Copy head branch name to clipboard