docs: fix mardown syntax #123

Job	Run time
clippy	32s
Check MSRV and minimal-versions	57s
tests ($MSRV)	4m 44s
docker_in_docker	3m 27s
tests (stable)	4m 2s
tests_with_podman (stable)	4m 10s
tests (beta)	4m 15s
tests (nightly)	3m 54s
	26m 1s

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