fix(finance): update Zambian Kwacha to new version

I also added a symbol.
See https://en.wikipedia.org/wiki/Zambian_kwacha

Author: AdriVanHoudt

src/locales/en/finance/currency.ts

@@ -672,8 +672,8 @@ export default {
     symbol: 'N$',
   },
   'Zambian Kwacha': {
-    code: 'ZMK',
-    symbol: '',
+    code: 'ZMW',
+    symbol: 'K',
   },
   'Zimbabwe Dollar': {
     code: 'ZWL',