feat: Added Malawi kwacha to currency list (#12440)

* Add Malawi kwacha currency

* fix failing currency tests

---------

Co-authored-by: Stevche Radevski <sradevski@live.com>

packages/core/utils/src/defaults/currencies.ts

@@ -675,6 +675,15 @@ export const defaultCurrencies: Record<string, Currency> = {
     code: "MUR",
     name_plural: "Mauritian rupees",
   },
+  MWK: {
+    symbol: "K",
+    name: "Malawian Kwacha",
+    symbol_native: "K",
+    decimal_digits: 2,
+    rounding: 0,
+    code: "MWK",
+    name_plural: "Malawian Kwachas",
+  },
   MXN: {
     symbol: "MX$",
     name: "Mexican Peso",