[red-knot] Improve symbol-lookup tracing #38358

Job	Run time
cargo build (release)	0s
cargo fmt	17s
mkdocs	2m 29s
Determine changes	13s
pre-commit	3m 3s
python package	1m 19s
cargo clippy	1m 55s
cargo fuzz build	5m 26s
cargo build (msrv)	4m 6s
benchmarks	5m 3s
cargo shear	23s
cargo test (linux)	1m 49s
cargo test (linux, release)	4m 22s
cargo test (wasm)	1m 41s
cargo test (windows)	5m 18s
test scripts	1m 1s
formatter instabilities and black similarity	0s
ecosystem	3m 44s
test ruff-lsp	46s
fuzz parser	0s
	42m 55s

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