fix Grafana import

following https://github.com/Commit-Boost/commit-boost-client/commit/0610cdad6cb8d05007403c01a03973bc680644ca a new grafana instance will not load the datasource correctly: 
![image](https://github.com/user-attachments/assets/f7bf101e-5719-40f2-8aba-be80ab015115)


related: https://github.com/grafana/grafana/issues/10786