MT#58496 Add nftable packages

Add a dependency on nftables package for the nft CLI too.

Change-Id: I257edd24e776a89fa5b3d00d2dba690dea29be85

debian/control

@@ -324,6 +324,7 @@ Depends:
  mariadb-server,
  monit,
  net-tools,
+ nftables,
  ngcp-admin-ui,
  ngcp-asterisk-voicemail-odbcstorage,
  ngcp-backup-tools-pro,
@@ -442,6 +443,7 @@ Depends:
  mariadb-client,
  mariadb-server,
  net-tools,
+ nftables,
  ngcp-admin-ui,
  ngcp-asterisk-voicemail-odbcstorage,
  ngcp-billing-tools,