- on `search1`
[x] stop puppet
[x] stop the objects and metadata journal clients
[x] upgrade the debian packages
[x] restart `swh-search` to declare the new field mapping in the old index
[x] restart puppet
[ ] manually launch journal client configured to index on a `origin-v0.9` index
[ ] wait for the end of the reindexation
[ ] upgrade the new swh-search and journal client configurations in puppet to use the new index