docs: update readme examples to ubuntu-24.04 #2691

Job	Run time
ping-cli	7s
wait	21s
wait2	45s
wait2-delay-120	2m 32s
wait2-delay-50	1m 15s
wait3	1m 20s
wait4	27s
wait3-for-200-seconds	4m 22s
wait-multiple	2m 8s
wait-on-nextjs	22s
wait-on-vite	18s
wait-server-starts-after-100-seconds	1m 54s
wait-using-custom-command	52s
	16m 43s

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