Bump jackson.version from 2.7.5 to 2.12.1#8

dependabot[bot] wants to merge 1 commit intomasterqiujian2008/qiujian:masterfrom

dependabot/maven/jackson.version-2.12.1qiujian2008/qiujian:dependabot/maven/jackson.version-2.12.1Copy head branch name to clipboard