fix: backport Switzerland VAT rates update to version-15 (#52244)

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

Author: dinoweb

erpnext/setup/setup_wizard/data/country_wise_tax.json

@@ -4844,17 +4844,17 @@
 
 	"Switzerland": {
 		"Switzerland normal VAT": {
-			"account_name": "VAT 7.7%",
-			"tax_rate": 7.70,
+			"account_name": "VAT 8.1%",
+			"tax_rate": 8.10,
 			"default": 1
 		},
 		"Switzerland reduced VAT": {
-			"account_name": "VAT 2.5%",
-			"tax_rate": 2.50
+			"account_name": "VAT 2.6%",
+			"tax_rate": 2.60
 		},
 		"Switzerland lodging VAT": {
-			"account_name": "VAT 3.7%",
-			"tax_rate": 3.70
+			"account_name": "VAT 3.8%",
+			"tax_rate": 3.80
 		}
 	},