Download both x86 and arm beats artifacts for release test builds

Author: mark-vieira

.ci/jobs.t/elastic+elasticsearch+periodic+release-tests.yml

@@ -23,7 +23,9 @@
 
           mkdir -p ${BEATS_DIR}
           curl --fail -o "${BEATS_DIR}/metricbeat-${ES_VERSION}-linux-x86_64.tar.gz" https://artifacts-snapshot.elastic.co/beats/${ES_VERSION}-SNAPSHOT/downloads/beats/metricbeat/metricbeat-${ES_VERSION}-SNAPSHOT-linux-x86_64.tar.gz
-          curl --fail -o "${BEATS_DIR}/filebeat-${ES_VERSION}-linux-x86_64.tar.gz" https://artifacts-snapshot.elastic.co/beats/${ES_VERSION}-SNAPSHOT/downloads/beats/filebeat/filebeat-${ES_VERSION}-SNAPSHOT-linux-x86_64.tar.gz
+          curl --fail -o "${BEATS_DIR}/metricbeat-${ES_VERSION}-linux-arm64.tar.gz" https://artifacts-snapshot.elastic.co/beats/${ES_VERSION}-SNAPSHOT/downloads/beats/metricbeat/metricbeat-${ES_VERSION}-SNAPSHOT-linux-arm64.tar.gz
+          curl --fail -o "${BEATS_DIR}/filebeat-${ES_VERSION}-linux-x86_64.tar.gz" https://artifacts-snapshot.elastic.co/beats/${ES_VERSION}-SNAPSHOT/downloads/beats/metricbeat/metricbeat-${ES_VERSION}-SNAPSHOT-linux-x86_64.tar.gz
+          curl --fail -o "${BEATS_DIR}/filebeat-${ES_VERSION}-linux-arm64.tar.gz" https://artifacts-snapshot.elastic.co/beats/${ES_VERSION}-SNAPSHOT/downloads/beats/filebeat/filebeat-${ES_VERSION}-SNAPSHOT-linux-arm64.tar.gz
 
           # Fetch ML artifacts
           export ML_IVY_REPO=$(mktemp -d)