fix: update country mask

Author: chikeozulumba

src/PhoneInput/constants.ts

@@ -636,7 +636,7 @@ export const MASK_PER_COUNTRY: Partial<{
   NZ: [/\d/, '-', /\d/, /\d/, /\d/, '-', /\d/, /\d/, /\d/],
   NI: [/\d/, /\d/, /\d/, /\d/, '-', /\d/, /\d/, /\d/, /\d/],
   NE: [/\d/, /\d/, '-', /\d/, /\d/, '-', /\d/, /\d/, /\d/, /\d/],
-  NG: [/\d/, /\d/, '-', /\d/, /\d/, /\d/, '-', /\d/, /\d/],
+  NG: [/\d/, /\d/, '-', /\d/, /\d/, /\d/, /\d/, '-', /\d/, /\d/, /\d/, /\d/],
   NU: [/\d/, /\d/, /\d/, /\d/],
   MK: [/\d/, /\d/, '-', /\d/, /\d/, /\d/, '-', /\d/, /\d/, /\d/],
   MP: ['(', '6', '7', '0', ')', /\d/, /\d/, /\d/, '-', /\d/, /\d/, /\d/, /\d/],