[IMP] l10n_in: use a tax group insted of repartition line for SGST and CGST

need seperate lines with different labels(SGST and CGST) on the invoice report and pos receipt
so use a tax group instead of repartition line

closes odoo/odoo#37080

Signed-off-by: oco-odoo <oco-odoo@users.noreply.github.com>

addons/l10n_in/data/account_data.xml

@@ -3,6 +3,12 @@
     <data noupdate="1">
 
         <!-- Account Tax Group -->
+        <record id="sgst_group" model="account.tax.group">
+            <field name="name">SGST</field>
+        </record>
+        <record id="cgst_group" model="account.tax.group">
+            <field name="name">CGST</field>
+        </record>
         <record id="igst_group" model="account.tax.group">
             <field name="name">IGST</field>
         </record>