[`flake8-pyi`] Add "replace with `Self`" fix (`PYI019`) #35506

Job	Run time
cargo fmt	17s
pre-commit	38s
mkdocs	2m 24s
Determine changes	9s
python package	1m 16s
benchmarks	5m 2s
cargo clippy	2m 1s
cargo build (release)	6m 43s
cargo build (msrv)	4m 11s
cargo shear	27s
cargo fuzz	5m 4s
cargo test (linux)	4m 10s
cargo test (wasm)	1m 34s
cargo test (windows)	7m 43s
test scripts	1m 2s
formatter instabilities and black similarity	0s
ecosystem	8m 45s
test ruff-lsp	45s
Fuzz the parser	0s
	52m 11s

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