`[pylint]` Implement `len-test` (`PLC1802`) #36325

Job	Run time
pre-commit	42s
Determine changes	9s
cargo fmt	17s
mkdocs	2m 44s
python package	1m 25s
cargo clippy	2m 1s
benchmarks	4m 48s
cargo build (msrv)	3m 57s
cargo build (release)	0s
cargo shear	21s
cargo fuzz build	0s
cargo test (linux)	2m 3s
cargo test (wasm)	1m 38s
cargo test (windows)	5m 55s
test scripts	1m 4s
formatter instabilities and black similarity	0s
test ruff-lsp	44s
ecosystem	2m 38s
fuzz parser	0s
	30m 26s

Provide feedback