[`pyflakes`] Ignore errors in `@no_type_check` string annotations (`F722`, `F821`) #38080

Job	Run time
cargo fmt	16s
mkdocs	2m 26s
cargo build (release)	0s
Determine changes	12s
python package	1m 14s
pre-commit	3m 5s
benchmarks	4m 47s
cargo clippy	1m 53s
cargo fuzz build	5m 7s
cargo build (msrv)	4m 3s
cargo shear	27s
cargo test (linux)	1m 43s
cargo test (linux, release)	3m 36s
cargo test (wasm)	1m 41s
cargo test (windows)	4m 45s
formatter instabilities and black similarity	0s
test scripts	1m 2s
test ruff-lsp	34s
ecosystem	2m 34s
fuzz parser	0s
	39m 25s

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