S3UTILS-222: preserve buckets-with-replication.json for re-running checks

Use cp instead of mv so the bucket list file remains at /root/ on the
runner, allowing steps 3-5 to be repeated without re-running the list
script.

Author: nicolas2bert

replicationAudit/README.md

@@ -46,7 +46,7 @@ ansible -i env/$ENV_DIR/inventory md1-cluster1 -m shell \
 LEADER_IP=<leader-ip-from-step-3>
 
 ansible -i env/$ENV_DIR/inventory runners_s3[0] -m shell \
-    -a "mv /root/buckets-with-replication.json {{ env_host_logs}}/scality-vault{{ container_name_suffix | default("")}}/logs && \
+    -a "cp /root/buckets-with-replication.json {{ env_host_logs}}/scality-vault{{ container_name_suffix | default("")}}/logs && \
         ctrctl exec scality-vault{{ container_name_suffix | default("")}} node /logs/check-replication-permissions.js \
         /logs/buckets-with-replication.json $LEADER_IP /logs/missing.json"