[FIX] l10n_in: wrong state used

Issue :
- `account.move.state` has only 3 possible values cancel, draft, posted
- the wrong value was used

Fix:
- Use the correct value `posted`

OPW-2991389

closes odoo/odoo#100691

Signed-off-by: Grazioso Andrea (agr) <agr@odoo.com>

addons/l10n_in/views/report_invoice.xml

@@ -26,7 +26,7 @@
 
         <xpath expr="//h2" position="replace">
             <h2>
-                <span t-if="o.type == 'out_invoice' and o.state == 'open'" t-field="o.journal_id.name"/>
+                <span t-if="o.type == 'out_invoice' and o.state == 'posted'" t-field="o.journal_id.name"/>
                 <span t-if="o.type == 'out_invoice' and o.state == 'draft'">Draft <span t-field="o.journal_id.name"/></span>
                 <span t-if="o.type == 'out_invoice' and o.state == 'cancel'">Cancelled <span t-field="o.journal_id.name"/></span>
                 <span t-if="o.type == 'out_refund'">Credit Note</span>