Rename to profile::swh::deploy::storage_archiver

At the moment, the following error occurs: Could not retrieve catalog
from remote server: Error 400 on SERVER: Evaluation Error: Error while
evaluating a Resource Statement, Duplicate declaration:
Package[python3-swh.storage] is already declared in file
/etc/puppet/environments/production/modules/profile/manifests/swh/deploy/storage.pp:27;
cannot redeclare at
/etc/puppet/environments/production/modules/profile/manifests/swh/deploy/storage/archiver.pp:25
at
/etc/puppet/environments/production/modules/profile/manifests/swh/deploy/storage/archiver.pp:25:3
on node **.softwareheritage.org Warning: Not using cache on failed
catalog Error: Could not retrieve catalog; skipping run

profile::swh::deploy::storage and
profile::swh::deploy::storage::archiver shares the same prefix class
name which creates conflicts in dependency.
Rename without sharing such prefix class name to fix it.

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