[red-knot] Correct modeling of dunder calls #41178

Job	Run time
Determine changes	13s
cargo fmt	20s
cargo build (release)	0s
mkdocs	2m 28s
pre-commit	3m 18s
python package	1m 17s
cargo clippy	1m 47s
cargo test (linux)	2m 20s
cargo test (linux, release)	4m 3s
cargo test (windows)	6m 12s
cargo build (msrv)	2m 0s
cargo fuzz build	4m 8s
cargo shear	23s
cargo test (wasm)	1m 38s
test scripts	1m 7s
benchmarks	4m 17s
formatter instabilities and black similarity	0s
test ruff-lsp	34s
ecosystem	20s
fuzz parser	0s
	36m 25s

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