I imagine Cvidal will make one for his patch, but you can edit & redeploy /opt/zimbra/zimlets/com_zimbra_bulkprovision.zip if you wish.
Currently there's no Branch/ZimbraAdminExt/BulkProvision/
js/com_zimbra_bulkprovision_fr.properties; that will be handled by
Bug 32891 - Admin: "Bulk Provision" strings need to be externalized