Merging 2024Q2_RC into main, creating 2024Q2 Release (use variable tag name instead of REF_NAME at docker image building)

Merging 2024Q2_RC into main, creating 2024Q2 Release (updating the pipeline that creates docker images for the main branch)

- Kubernetes/helm/openslice/values.yaml: image tags must be switched to :develop
- Removed Kubernetes/template folder (legacy kubectl apply installation) + k8sdeploy + k8sremove

fix for #26

Merging 2024Q2_RC into develop

See merge request !32

Modified config/config.theming.default.json (tmf.web file) to match the latest changes in org.etsi.osl.tmf.web#19

fix: allowed protected branches to run

See merge request !31

This reverts commit e00da3ae