Release 2894
Trello card
Context
https://github.com/DFE-Digital/get-into-teaching-app/actions/runs/3250856867/jobs/5335216729
Changes proposed in this pull request
Add missing DOCKER_IMAGE_TEST variable
https://github.com/DFE-Digital/get-into-teaching-app/actions/runs/3250856867/jobs/5335216729
Add missing DOCKER_IMAGE_TEST variable