feat(core): add Korean translation

[kimnieyh]

Description

Added full Korean (ko) translation JSON and integrated it into OryLocales.

Related Issue

No specific issue reported.

Checklist

• I have read the contributing guidelines and signed the CLA.
• I have referenced an issue containing the design document if my change introduces a new feature.
• I have read the security policy.
• I confirm that this pull request does not address a security vulnerability.
• If this pull request addresses a security vulnerability,
  I confirm that I got approval (please contact security@ory.sh) from the maintainers to push the changes.
• I have added tests that prove my fix is effective or that my feature works.
• I have added the necessary documentation within the code base (if appropriate).

[vercel]

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[changeset-bot]

⚠️ No Changeset found

Latest commit: 91b2618

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[CLAassistant]

All committers have signed the CLA.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 52.00%. Comparing base (f3fad4d) to head (91b2618).
Report is 178 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #528      +/-   ##
==========================================
+ Coverage   42.43%   52.00%   +9.57%     
==========================================
  Files         136      152      +16     
  Lines        2008     2623     +615     
  Branches      288      391     +103     
==========================================
+ Hits          852     1364     +512     
- Misses       1149     1235      +86     
- Partials        7       24      +17     

Components	Coverage Δ
@ory/elements-react	49.69% <ø> (+12.90%)	⬆️
@ory/nextjs	62.66% <ø> (-3.32%)	⬇️

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[kimnieyh]

Closing this since no feedback was provided for a while,
despite being the earliest translation PR.

Feel free to reopen or reuse any part if needed.