[red-knot] Emit a diagnostic if the value of a starred expression or a `yield from` expression is not iterable #32713

Job	Run time
python package	1m 10s
Determine changes	9s
mkdocs	2m 26s
cargo fmt	17s
pre-commit	33s
cargo test (linux)	3m 54s
cargo test (wasm)	1m 23s
cargo test (windows)	8m 3s
cargo clippy	1m 50s
benchmarks	5m 9s
cargo build (msrv)	3m 21s
cargo build (release)	5m 52s
cargo fuzz	5m 5s
cargo shear	20s
formatter instabilities and black similarity	0s
test scripts	1m 2s
test ruff-lsp	14s
ecosystem	9m 2s
Fuzz the parser	0s
	49m 50s

Provide feedback