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### Description of the change
Introduce `service.{http,ssh}.loadBalancerClass`
### Benefits
Feature was not supported before. This is required if your cluster has multiple loadBalancer options and you want to select one
### Possible drawbacks
More yaml.
### Checklist
- [x] Parameters are documented in the `values.yaml` and added to the `README.md` using [readme-generator-for-helm](https://github.com/bitnami-labs/readme-generator-for-helm)
- [x] Templating unittests are added
Reviewed-on: https://gitea.com/gitea/helm-chart/pulls/640
Reviewed-by: pat-s <pat-s@noreply.gitea.com>
Co-authored-by: Karitham <kar@karitham.dev>
Co-committed-by: Karitham <kar@karitham.dev>