Make ruff_db a required crate for ruff_python_semantic

[dhruvmanila]

Summary

This PR makes the ruff_db a required crate for ruff_python_semantic.

Refer https://github.com/astral-sh/ruff/actions/runs/9516626143/job/26233307158?pr=11872

Test Plan

1. maturin sdist --out dist
2. tar -xf dist/ruff-0.4.8.tar.gz --directory=dist/ruff-0.4.8
3. pip install dist/ruff-0.4.8.tar.gz works

[codspeed-hq]

CodSpeed Performance Report

Merging #11874 will degrade performances by 11.77%

_{Comparing dhruv/ruff-db (995d1d3) with main (89bb07c)}

Summary

❌ 1 regressions
✅ 29 untouched benchmarks

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

Benchmarks breakdown

	Benchmark	main	dhruv/ruff-db	Change
❌	linter/all-with-preview-rules[numpy/globals.py]	803.8 µs	911 µs	-11.77%

[github-actions]

ruff-ecosystem results

Linter (stable)

✅ ecosystem check detected no linter changes.

Linter (preview)

✅ ecosystem check detected no linter changes.