* [DS-6483][MasterServer] upgrade the druid and mysql connector version (#6484)

* [DS-6483][MasterServer] upgrade the druid and mysql connector version

* remove mysql connector in known-dependencies.txt

* change mysql connector version to 8.0.16
Co-authored-by: Ncaishunfeng <534328519@qq.com>

* Add Alibaba Druid to NOTICE file (#6488)
Co-authored-by: Nwind <caishunfeng@users.noreply.github.com>
Co-authored-by: Ncaishunfeng <534328519@qq.com>