Adding a small header to the benchmark utility #2968

Job	Run time
codecheck / codecheck	44m 3s
conda / conda (ubuntu-20.04)	11m 0s
docker / docker (fedora39)	21m 35s
conda / conda (macos-12)	17m 45s
docker / docker (rocky8)	23m 49s
conda / conda (macos-14)	7m 6s
linux / linux (-doc-mpi-)	37m 32s
linux / linux (-mpi-)	48m 54s
mac / macports (macos-12)	14m 9s
linux / linux (-coverage-mpi-)	1h 1m 55s
mac / macsimple (macos-12)	7m 59s
mac / macports (macos-14)	6m 3s
linux / linux (-debug-)	30m 20s
mac / macsimple (macos-14)	4m 46s
mac / macports (+allmodules, macos-12)	18m 27s
linux / linux (-debug-mpi-)	40m 32s
linux / linux (-intel-)	43m 21s
linux / linux (-pycv-mpi-)	17m 37s
	7h 36m 53s

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