Background information
Deploy the push-notifications service to the k8s infrastructure.
For more information about the beta cluster setup, please take a look at T254164
Acceptance criteria
- Test coverage >= 80% T251441
- Deployment occurs in k8s https://gerrit.wikimedia.org/r/c/operations/deployment-charts/+/602390
- Secrets management is done T255042
- Service is benchmarked for the production environment T250493