[ECE] Fix state mapping for Lithuania (#4501)

* add Lithuania in state mapping
Cherry-picked from d9160e3.
* add changelog

Author: Mayisha

changelog.txt

@@ -1,6 +1,7 @@
 *** Changelog ***
 
 = 9.7.1 - xxxx-xx-xx =
+* Add - Add state mapping for Lithuania in express checkout
 
 = 9.7.0 - 2025-07-21 =
 * Update - Removes BNPL payment methods (Klarna and Affirm) when other official plugins are active

includes/constants/class-wc-stripe-payment-request-button-states.php

@@ -18,7 +18,7 @@
  *    1. WC provides a dropdown list of states, but there's no state field in Chrome for the following countries:
  *        AO (Angola), BD (Bangladesh), BG (Bulgaria), BJ (Benin), BO (Bolivia), DO (Dominican Republic),
  *        DZ (Algeria), GH (Ghana), GT (Guatemala), HU (Hungary), KE (Kenya), LA (Laos),
- *        LR (Liberia), MD (Moldova), NA (Namibia), NP (Nepal), PK (Pakistan),
+ *        LR (Liberia), LT (Lithuania), MD (Moldova), NA (Namibia), NP (Nepal), PK (Pakistan),
  *        PY (Paraguay), RO (Romania), TZ (Tanzania), UG (Uganda), UM (United States Minor Outlying Islands),
  *        ZA (South Africa), ZM (Zambia).
  *    2. Chrome does not provide a dropdown list of states for 161 countries in total, out of the 249 countries WC supports,
@@ -648,6 +648,8 @@ class WC_Stripe_Payment_Request_Button_States {
 		'LK' => [],
 		// Liberia.
 		'LR' => [],
+		// Lithuania.
+		'LT' => [],
 		// Luxembourg.
 		'LU' => [],
 		// Moldova.

readme.txt

@@ -111,7 +111,7 @@ If you get stuck, you can ask for help in the [Plugin Forum](https://wordpress.o
 == Changelog ==
 
 = 9.7.1 - xxxx-xx-xx
-
+* Add - Add state mapping for Lithuania in express checkout
 
 = 9.7.0 - 2025-07-21 =