[FIX] account:Auto Post scheduler action threads killed by timeout.

Before this commit:

  When there is too much records to post and it's take time more than 15 minutes then server was restarted.
  So scheduler action will do the process with the same records again and again.

After this commit:

  post record in batch of 1000

opw-2451446

closes odoo/odoo#66467

Related: odoo/enterprise#17668
Signed-off-by: William André (wan) <wan@odoo.com>