Add Korean resident registration number

[NULL0xFF]

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[codecov-commenter]

Codecov Report

Merging #569 (8b6d010) into main (2c96eb5) will decrease coverage by 0.03%.
The diff coverage is 88.88%.

@@             Coverage Diff              @@
##               main     #569      +/-   ##
============================================
- Coverage     92.57%   92.53%   -0.04%     
- Complexity     2417     2425       +8     
============================================
  Files           251      252       +1     
  Lines          5062     5080      +18     
  Branches        546      551       +5     
============================================
+ Hits           4686     4701      +15     
- Misses          248      250       +2     
- Partials        128      129       +1     

Impacted Files	Coverage Δ
...ain/java/net/datafaker/idnumbers/KoKrIdNumber.java	87.50% <87.50%> (ø)
...in/java/net/datafaker/providers/base/IdNumber.java	100.00% <100.00%> (ø)
...c/main/java/net/datafaker/providers/base/Text.java	77.96% <0.00%> (-0.85%)	⬇️

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[bodiam]

Looks fine to me! Thanks for this PR!