feat: activate the deploy stage script

Author: MacMur85

.github/workflows/stage-3-build-images-devtest.yaml

@@ -151,7 +151,7 @@ jobs:
           if [[ ${{steps.detect-base-image-changes.outputs.BASE_IMAGE_CHANGE}} == 'true' ]]; then
             IMAGE_TAG="${PR_NUM_TAG}"
           fi
-          echo "Image Tag = ${IMAGE_TAG}"
+          echo "Image Tag: ${IMAGE_TAG}"
 
           echo "DOTNET_BASE_IMAGE=ghcr.io/nhsdigital/cohort-manager-dotnet-base:${IMAGE_TAG}" >> "${GITHUB_OUTPUT}"
           echo "FUNCTION_BASE_IMAGE=ghcr.io/nhsdigital/cohort-manager-function-base:${IMAGE_TAG}" >> "${GITHUB_OUTPUT}"