Fix bug where methods defined using lambdas were flagged by FURB118 #36479

Job	Run time
Determine changes	9s
cargo build (release)	0s
cargo fmt	17s
mkdocs	2m 31s
pre-commit	35s
python package	1m 26s
cargo test (linux)	2m 20s
cargo clippy	1m 58s
cargo build (msrv)	4m 0s
cargo test (linux, release)	3m 45s
cargo test (wasm)	1m 41s
cargo test (windows)	2m 41s
benchmarks	4m 51s
cargo fuzz build	0s
cargo shear	24s
test scripts	55s
formatter instabilities and black similarity	0s
test ruff-lsp	36s
ecosystem	2m 42s
fuzz parser	0s
	30m 51s

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