use tag instead of branch in d2-builder docker run, fix quotes

Author: aptalca

roles/generate-jenkins/templates/Jenkinsfile.j2

@@ -528,8 +528,8 @@ pipeline {
                 sed -i '\\|^#.*changelog.*$|d' readme-vars.yml 
                 sed -i 's|^changelogs:|# init diagram\\ninit_diagram:\\n\\n# changelog\\nchangelogs:|' readme-vars.yml
               fi
-              docker run -d --rm -v ${TEMPDIR}/d2:/output -e PUID=$(id -u) -e PGID=$(id -g) ghcr.io/linuxserver/d2-builder:latest ${CONTAINER_NAME}:{{ ls_branch }}
-              yq -ei '.init_diagram |= load_str("${TEMPDIR}/d2/${CONTAINER_NAME}-{{ ls_branch }}.d2")' readme-vars.yml || :
+              docker run -d --rm -v ${TEMPDIR}/d2:/output -e PUID=$(id -u) -e PGID=$(id -g) ghcr.io/linuxserver/d2-builder:latest ${CONTAINER_NAME}:{{ release_tag }}
+              yq -ei ".init_diagram |= load_str(\\"${TEMPDIR}/d2/${CONTAINER_NAME}-{{ ls_branch }}.d2\\")" readme-vars.yml || :
               if [[ $(grep -hs ^ readme-vars.yml | md5sum | cut -c1-8) != $(grep -hs ^ ${TEMPDIR}/docker-${CONTAINER_NAME}/readme-vars.yml | md5sum | cut -c1-8) ]]; then
                 echo "'init_diagram' has been updated. Updating repo and exiting build, new one will trigger based on commit."
                 mkdir -p ${TEMPDIR}/repo