refactor(address.countryCode): signature

[xDivisionByZerox]

Fixes #587

[codecov]

Codecov Report

Merging #588 (db96bea) into main (6214425) will increase coverage by 0.00%.
The diff coverage is 100.00%.

❗ Current head db96bea differs from pull request most recent head b222a71. Consider uploading reports for the commit b222a71 to get more accurate results

@@           Coverage Diff            @@
##             main     #588    +/-   ##
========================================
  Coverage   99.34%   99.34%            
========================================
  Files        1921     1923     +2     
  Lines      176539   176869   +330     
  Branches      912      895    -17     
========================================
+ Hits       175382   175718   +336     
+ Misses       1101     1095     -6     
  Partials       56       56            

Impacted Files	Coverage Δ
src/address.ts	99.81% <100.00%> (+0.71%)	⬆️
src/helpers.ts	99.12% <0.00%> (-0.16%)	⬇️
src/index.ts	94.87% <0.00%> (-0.13%)	⬇️
src/random.ts	99.44% <0.00%> (-0.03%)	⬇️
src/fake.ts	100.00% <0.00%> (ø)
src/word.ts	100.00% <0.00%> (ø)
src/faker.ts	100.00% <0.00%> (ø)
src/lorem.ts	100.00% <0.00%> (ø)
src/commerce.ts	100.00% <0.00%> (ø)
src/datatype.ts	100.00% <0.00%> (ø)
... and 39 more