Bump version to 0.4.2

[snowsignal]

No description provided.

[codspeed-hq]

CodSpeed Performance Report

Merging #11151 will degrade performances by 6.27%

_{Comparing release/042 (846068f) with main (1c9f5e3)}

Summary

❌ 2 regressions
✅ 28 untouched benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	main	release/042	Change
❌	parser[numpy/ctypeslib.py]	5.3 ms	5.6 ms	-6.27%
❌	parser[pydantic/types.py]	11.4 ms	11.9 ms	-4.56%

[github-actions]

ruff-ecosystem results

Linter (stable)

✅ ecosystem check detected no linter changes.

Linter (preview)

✅ ecosystem check detected no linter changes.

Formatter (stable)

✅ ecosystem check detected no format changes.

Formatter (preview)

✅ ecosystem check detected no format changes.