Rename module account_invoice_number

Created by: zaoral

As part of this repo refactor we found account_invoice_number

{
    "name": "Account Invoice Number v7", 
    "version": "1.5", 
    "author": "Vauxoo",

source here

This module human redeable namw indicae is a v7 module. After a consult with vauxoo team we found out this module is used in v7 and also v8.

The task is to rename this module to prevent confusion in the odoo apps and our regular users