[red-knot] Statically known branches (first take) #37235

Job	Run time
cargo build (release)	0s
mkdocs	2m 40s
Determine changes	10s
cargo fmt	21s
pre-commit	42s
python package	1m 26s
cargo build (msrv)	3m 55s
benchmarks	5m 2s
cargo clippy	1m 50s
cargo fuzz build	0s
cargo shear	23s
cargo test (linux, release)	3m 40s
cargo test (linux)	1m 48s
cargo test (wasm)	1m 41s
cargo test (windows)	5m 2s
formatter instabilities and black similarity	3m 13s
test scripts	59s
test ruff-lsp	36s
fuzz parser	6m 2s
ecosystem	4m 2s
	43m 32s

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