Bump message.max.bytes for journal writers

data/hostname/storage0.internal.staging.swh.network.yaml

@@ -44,3 +44,4 @@ swh::deploy::storage::config:
       brokers: "%{alias('swh::deploy::journal::brokers')}"
       prefix: "%{alias('swh::deploy::journal::prefix')}"
       client_id: "swh.storage.journal_writer.%{::swh_hostname.short}"
+      message.max.bytes: 1000000000

data/hostname/uffizi.softwareheritage.org.yaml

@@ -44,6 +44,7 @@ swh::deploy::storage::config:
           brokers: "%{alias('swh::deploy::journal::brokers')}"
           prefix: "%{alias('swh::deploy::journal::prefix')}"
           client_id: "swh.storage.journal_writer.%{::swh_hostname.short}"
+          message.max.bytes: 1000000000
 
 # Deploy the indexer storage server as a public resource
 swh::deploy::indexer::storage::backend::listen::host: 0.0.0.0