Enhance description lists #1119

Job	Run time
build_lib_test (nightly)	52s
build_bin_spec (nightly)	1m 7s
build_lib_test (beta)	1m 22s
build_wasm (nightly)	49s
clippy_format	2m 40s
build_bin_spec (beta)	1m 6s
build_lib_test (stable)	1m 9s
build_wasm (beta)	50s
build_bin_spec (stable)	1m 5s
build_lib_test ($MSRV)	3m 38s
build_wasm (stable)	49s
build_bin_spec ($MSRV)	3m 6s
lockfile	56s
build_wasm ($MSRV)	2m 47s
no_features_build_test (nightly)	34s
no_features_build_test (beta)	35s
no_features_build_test (stable)	24s
no_features_build_test ($MSRV)	2m 24s
	26m 13s

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