[`flake8-django`] Recognize other magic methods (`DJ012`) (#15365) #38545

Job	Run time
cargo fmt	18s
Determine changes	9s
cargo build (release)	5m 43s
mkdocs	2m 27s
pre-commit	3m 8s
python package	1m 21s
benchmarks	5m 4s
cargo build (msrv)	4m 6s
cargo clippy	1m 55s
cargo fuzz build	5m 8s
cargo test (linux, release)	3m 44s
cargo shear	23s
cargo test (linux)	1m 49s
cargo test (wasm)	1m 35s
test scripts	59s
formatter instabilities and black similarity	3m 22s
cargo test (windows)	5m 7s
test ruff-lsp	46s
ecosystem	0s
fuzz parser	0s
	47m 4s

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