chore: add extra new lines to giraffe banner (#7334) #20928

Job	Run time
Build	3m 8s
Deneb sim tests	6m 40s
Multifork sim test	12m 12s
Endpoint sim tests	3m 18s
Eth backup provider sim tests	7m 24s
Mixed clients sim tests	8m 40s
	41m 22s

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