[14.0][DOC] report_xlsx: Update USAGE.rst

[amh-mw]

Stop using deprecated report tag.

[amh-mw]

See https://probuse.com/blog/odoo-code-hints-19/post/odoo-14-0-report-fromat-change-957

Warning if you follow old syntax of V13.0:
 ============================================================================================
 The <report> tag is deprecated, use a <record> tag for 'action_report_production_order_cost'.
  warnings.warn(f"The <report> tag is deprecated, use a <record> tag for {xml_id!r}.", DeprecationWarning)

Old Format of report :(V. 13.0 )
==============================================================================================
<report
            string="Production Order Cost"
            id="action_report_production_order_cost"
            model="mrp.production"
            name="odoo_process_costing_manufacturing.report_mrporder_cost"
            file="odoo_process_costing_manufacturing.report.report_mrporder_cost"
            report_type="qweb-pdf"
        />

New Format of Report (V. 14.0 ):
==============================================================================================
<record id="action_report_production_order_cost" model="ir.actions.report">
        <field name="name">Production Order Cost</field>
        <field name="model">mrp.production</field>
        <field name="report_type">qweb-pdf</field>
        <field name="report_name">odoo_process_costing_manufacturing.report_mrporder_cost</field>
        <field name="report_file">odoo_process_costing_manufacturing.report_mrporder_cost</field>
        <field name="binding_model_id" ref="mrp.model_mrp_production"/>
        <field name="binding_type">report</field>
    </record>