docs: add DenizAltunkapan as a contributor for translation

[allcontributors]

Adds @DenizAltunkapan as a contributor for translation.

This was requested by iluwatar in this comment

[skip ci]

[github-actions]

PR Summary

Added DenizAltunkapan as a contributor for translation to the project. Updated the .all-contributorsrc and README.md files to reflect this change. The README.md now includes DenizAltunkapan in the list of contributors, and the .all-contributorsrc file has been updated to include DenizAltunkapan's contribution as a translator.

Changes

File	Summary
.all-contributorsrc	Added DenizAltunkapan to the list of contributors with the translation contribution type. Updated the contributor count in the badge.
README.md	Added DenizAltunkapan to the contributors table with a translation contribution. Updated the All Contributors badge count to 379.

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autogenerated by presubmit.ai

[github-actions]

✅ LGTM!

Review Summary

Commits Considered (2)

• c96c982: docs: update .all-contributorsrc [skip ci]
• a79e2d6: docs: update README.md [skip ci]

Files Processed (2)

• .all-contributorsrc (1 hunk)
• README.md (2 hunks)

Actionable Comments (0)

Skipped Comments (0)

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud