Include all extras when generating lockfile

[charliermarsh]

Summary

This PR just ensures that when running uv lock (or uv run), we lock with all extras. When we later install, we'll also install with all extras, but that will be changed in a future PR.

[codspeed-hq]

CodSpeed Performance Report

Merging #3912 will degrade performances by 9.11%

_{Comparing charlie/ex-i (0b95208) with main (fb0dfef)}

Summary

❌ 1 regressions
✅ 12 untouched benchmarks

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

Benchmarks breakdown

	Benchmark	main	charlie/ex-i	Change
❌	resolve_warm_jupyter	82.4 ms	90.7 ms	-9.11%