Add tracing support to mdtest #37249

Job	Run time
mkdocs	3m 12s
Determine changes	12s
cargo build (release)	0s
cargo fmt	21s
pre-commit	44s
python package	1m 30s
cargo clippy	2m 8s
cargo build (msrv)	4m 39s
benchmarks	5m 59s
cargo fuzz build	0s
cargo shear	24s
cargo test (linux)	1m 23s
cargo test (linux, release)	4m 8s
cargo test (wasm)	1m 50s
cargo test (windows)	6m 57s
test scripts	38s
formatter instabilities and black similarity	0s
ecosystem	0s
test ruff-lsp	0s
fuzz parser	0s
	34m 5s

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