Release 2.4.2

[derek73]

Clear PRE_RELEASE, set VERSION and CITATION.cff to 2.4.2, and date the release log.

What the release moves. snapshot.py --since v2.4.1 reports six entries differ:

• Shehu Shagari reads Shehu as a title: shehu is a common Hausa given name and an Albanian surname #660 (three names, all CLDR renderings only): Shehu Muhammed, Muhammed, Shehu and Modibbo, Shehu Bello. Each now reads Shehu as the given name, not a title.
• A decomposed (NFD) initial or conjunction reads differently from its composed twin: É. y É. Smith and John й Smith #665 (three new corpus names): the decomposed rules.md examples John й Smith, É. y É. Smith and 김. 민준. No existing corpus name moved; the fix reaches only decomposed text, which no corpus held before.

Under nameparser/, master differs from v2.4.1 only by those two fixes and the version file.

Checks: all clean:

• pytest (16,707 passed)
• sphinx-build -W -b html and -b doctest
• python -m doctest README.rst
• readme_renderer

The README still leads with 2.4, which holds for a patch release. There are no open Dependabot PRs.

After merge:

1. Tag v2.4.2 on the merge commit, then gh release create. The PyPI publish needs the pypi environment approval.
2. Close milestone 2.4.2.
3. Reopen 2.5 dev: VERSION 2.5.0 dev, a fresh "2.5.0 - Unreleased" log entry, and DEFAULT_BASELINE set to 2.4.2.

🤖 Generated with Claude Code

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.03%. Comparing base (26d5bfb) to head (7dd6c8a).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #676   +/-   ##
=======================================
  Coverage   99.03%   99.03%           
=======================================
  Files          46       46           
  Lines        4541     4541           
=======================================
  Hits         4497     4497           
  Misses         44       44           

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