Use the equate_tag_semver utility to retrieve the pointed release version tag of alma9.
For example:
docker.io/library/almalinux:9.6
ghcr.io/mantidproject/mantid-development-alma:9.6
ghcr.io/mantidproject/jenkins-coverity:2024.12-alma9.6
The base almalinux:9.6 version tag is incorporated in the mantid-development and jenkins-coverity image tags.