Update Rust crate matchit to v0.8.6 #38252

Job	Run time
cargo build (release)	0s
cargo fmt	19s
mkdocs	2m 37s
Determine changes	9s
pre-commit	3m 22s
python package	1m 25s
cargo build (msrv)	4m 21s
cargo test (wasm)	2m 22s
cargo test (linux, release)	3m 41s
cargo test (windows)	4m 15s
cargo clippy	2m 16s
cargo test (linux)	1m 54s
cargo fuzz build	5m 2s
test scripts	1m 20s
benchmarks	5m 32s
cargo shear	30s
formatter instabilities and black similarity	3m 38s
test ruff-lsp	43s
ecosystem	3m 58s
fuzz parser	5m 44s
	53m 8s

Provide feedback