Move Program and related structs to `red_knot_python_semantic` (#12777) #22

Job	Run time
pre-commit	45s
cargo fmt	22s
Determine changes	7s
mkdocs	2m 29s
python package	1m 37s
cargo build (msrv)	3m 23s
cargo build (release)	5m 35s
benchmarks	0s
cargo clippy	2m 5s
cargo fuzz	4m 17s
cargo shear	22s
cargo test (linux)	4m 22s
cargo test (wasm)	1m 41s
cargo test (windows)	10m 25s
formatter instabilities and black similarity	4m 4s
test scripts	1m 8s
Fuzz the parser	5m 33s
test ruff-lsp	14s
ecosystem	0s
	48m 29s

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