Improve display of rules in `--show-settings` #27293

Job	Run time
cargo fmt	16s
Determine changes	8s
mkdocs	2m 29s
pre-commit	30s
python package	1m 14s
cargo fuzz	5m 3s
cargo clippy	1m 54s
cargo test (linux)	3m 13s
benchmarks	4m 26s
cargo test (wasm)	1m 8s
cargo test (windows)	7m 54s
cargo udeps	1m 51s
formatter instabilities and black similarity	0s
test scripts	55s
test ruff-lsp	21s
ecosystem	8m 37s
	39m 59s

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