[RESULT][VOTE] Release Apache DevLake (Incubating) v0.15.0-rc4

[Zikuan An]

Hello everyone,

The vote closes now with the following resutls:

3 (+1 binding) votes
- Yingchu Chen
- Liang Zhang
- Hezheng Yin

I will bring the vote to gene...@incubator.apache.org

Thanks
Zikuan An