Update max-pos-args example to max-positional-args. #24413

Job	Run time
python package	1m 11s
cargo fmt	14s
Determine changes	8s
mkdocs	1m 56s
pre-commit	31s
cargo test (linux)	4m 31s
cargo test (windows)	6m 12s
cargo test (wasm)	1m 18s
cargo clippy	1m 48s
cargo udeps	1m 52s
test scripts	51s
cargo fuzz	5m 15s
benchmarks	6m 8s
formatter instabilities and black similarity	0s
ecosystem	8m 16s
test ruff-lsp	25s
	40m 36s

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