Restrict `builtin-attribute-shadowing` to actual shadowed references #23384

Job	Run time
cargo fmt	15s
Determine changes	8s
pre-commit	35s
mkdocs	2m 6s
python package	1m 14s
cargo clippy	1m 38s
cargo test (wasm)	1m 6s
cargo test (linux)	3m 28s
cargo fuzz	3m 57s
cargo test (windows)	4m 43s
test scripts	49s
cargo udeps	2m 6s
formatter instabilities and black similarity	0s
benchmarks	5m 52s
ecosystem	8m 47s
test ruff-lsp	21s
	37m 5s

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