[8.0](backport #29039) Fix agent download timeout values in yaml files

[mergify]

This is an automatic backport of pull request #29039 done by Mergify.

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[elasticmachine]

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• Start Time: 2021-11-25T23:37:42.564+0000

• Duration: 88 min 17 sec

• Commit: 7979e36

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Test	Results
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Passed	7120
Skipped	16
Total	7136

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[mergify]

This pull request has not been merged yet. Could you please review and merge it @michel-laterman? 🙏