Make AwsTaskLogFetcher faster by reducing the amount of sleep

[smsm1-ito]

Longer running tasks with lots of logs were slow to write all of the logs to AWS. This reduces the sleep delay to prevent the issue.

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[boring-cyborg]

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[boring-cyborg]

Awesome work, congrats on your first merged pull request! You are invited to check our Issue Tracker for additional contributions.

[gopidesupavan]

closes: #42442