[7.17](backport #2392) Add link to the users used to SSH into the Cloud EC2s

[mergify]

This is an automatic backport of pull request #2392 done by Mergify.

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[elasticmachine]

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• Start Time: 2022-04-20T09:06:25.570+0000

• Duration: 4 min 22 sec

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Passed	19
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Total	19

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