Retry once the archiveretrieve CI job, as sometimes the eos instance reports...

Retry once the archiveretrieve CI job, as sometimes the eos instance reports no space for a possible bad timing between the FST and the MGM.

.gitlab-ci.yml

@@ -147,6 +147,7 @@ archiveretrieve:
   except:
     - tags
   stage: test
+  retry: 1
   script:
     - export NAMESPACE="archiveretrieve-${CTA_BUILD_ID}-$(cat /dev/urandom | tr -dc 'a-z0-9' | fold -w 4 | head -n 1)"
     - cd continuousintegration/orchestration/; ./run_systemtest.sh -n ${NAMESPACE} -p ${CI_PIPELINE_ID} -s tests/archive_retrieve.sh -O -D -t 1200