Respect mixed `return` and `raise` cases in return-type analysis #23040

Job	Run time
Determine changes	7s
pre-commit	25s
mkdocs	2m 14s
cargo fmt	16s
python package	1m 8s
cargo test (windows)	6m 6s
cargo test (wasm)	1m 9s
benchmarks	6m 7s
cargo clippy	1m 51s
cargo fuzz	3m 35s
cargo test (linux)	3m 46s
cargo udeps	1m 44s
formatter instabilities and black similarity	3m 36s
test scripts	50s
test ruff-lsp	20s
ecosystem	11m 31s
	44m 45s

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