[`flake8-logging-format`] Fix invalid formatting value in docs of `logging-extra-attr-clash` (`G101`) #35197

Job	Run time
pre-commit	1m 4s
mkdocs	2m 35s
cargo fmt	22s
Determine changes	9s
python package	1m 18s
cargo test (linux)	4m 22s
cargo clippy	1m 51s
cargo build (release)	5m 4s
cargo build (msrv)	3m 44s
cargo fuzz	4m 57s
cargo test (wasm)	1m 42s
cargo test (windows)	8m 34s
test scripts	57s
benchmarks	4m 47s
cargo shear	22s
formatter instabilities and black similarity	0s
ecosystem	8m 37s
test ruff-lsp	14s
Fuzz the parser	0s
	50m 39s

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