fix: alpha2 country codes

Fix some alpha2 country codes, but I didn't check if the rest of codes are correct.

ref issue #3819

Author: maxceem

src/helpers/ISOCountries.js

@@ -36,10 +36,10 @@ const ISOCountries = [
   {alpha2: 'BG', alpha3: 'BGR', code: 100, numericString: '100', name: 'Bulgaria'},
   {alpha2: 'BF', alpha3: 'BFA', code: 854, numericString: '854', name: 'Burkina Faso'},
   {alpha2: 'BI', alpha3: 'BDI', code: 108, numericString: '108', name: 'Burundi'},
-  {alpha2: 'KH', alpha3: 'CPV', code: 132, numericString: '132', name: 'Cabo Verde'},
-  {alpha2: 'CM', alpha3: 'KHM', code: 116, numericString: '116', name: 'Cambodia'},
-  {alpha2: 'CA', alpha3: 'CMR', code: 120, numericString: '120', name: 'Cameroon'},
-  {alpha2: 'CV', alpha3: 'CAN', code: 124, numericString: '124', name: 'Canada'},
+  {alpha2: 'CV', alpha3: 'CPV', code: 132, numericString: '132', name: 'Cabo Verde'},
+  {alpha2: 'KH', alpha3: 'KHM', code: 116, numericString: '116', name: 'Cambodia'},
+  {alpha2: 'CM', alpha3: 'CMR', code: 120, numericString: '120', name: 'Cameroon'},
+  {alpha2: 'CA', alpha3: 'CAN', code: 124, numericString: '124', name: 'Canada'},
   {alpha2: 'KY', alpha3: 'CYM', code: 136, numericString: '136', name: 'Cayman Islands'},
   {alpha2: 'CF', alpha3: 'CAF', code: 140, numericString: '140', name: 'Central African Republic'},
   {alpha2: 'TD', alpha3: 'TCD', code: 148, numericString: '148', name: 'Chad'},