perf(cubesql): Improve rules loading perf #4543

Job	Run time
Check fmt/clippy	2m 48s
Unit (Rewrite Engine) (CUBESQL_TOP_DOWN_EXTRACTOR=true)	6m 18s
Unit (Rewrite Engine) (CUBESQL_TOP_DOWN_EXTRACTOR=false)	6m 11s
Build windows-2019 20.x with Python fallback	21m 25s
Build Linux GNU 20.x x86_64-unknown-linux-gnu with Python 3.9	10m 14s
Build macos-13 x86_64-apple-darwin 20.x with Python fallback	19m 23s
Build Linux GNU 20.x x86_64-unknown-linux-gnu with Python 3.10	10m 27s
Build macos-13 aarch64-apple-darwin 20.x with Python fallback	17m 7s
Build Linux GNU 20.x x86_64-unknown-linux-gnu with Python 3.11	10m 25s
Build Linux GNU 20.x x86_64-unknown-linux-gnu with Python 3.12	10m 11s
Build Linux GNU 20.x x86_64-unknown-linux-gnu with Python fallback	10m 5s
Build Linux GNU 22.x x86_64-unknown-linux-gnu with Python 3.9	10m 10s
Build Linux GNU 22.x aarch64-unknown-linux-gnu with Python 3.9	10m 23s
Build Linux GNU 22.x x86_64-unknown-linux-gnu with Python 3.10	10m 3s
Build Linux GNU 22.x x86_64-unknown-linux-gnu with Python 3.11	10m 22s
Build Linux GNU 22.x x86_64-unknown-linux-gnu with Python 3.12	10m 11s
Build Linux GNU 22.x aarch64-unknown-linux-gnu with Python 3.12	10m 21s
Build Linux GNU 22.x x86_64-unknown-linux-gnu with Python fallback	10m 3s
Build Linux GNU 22.x aarch64-unknown-linux-gnu with Python fallback	9m 57s
	3h 26m 4s

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