Release AWS Package for Kibana 8

[kaiyan-sheng]

What does this PR do?

This PR is to release the aws package for Kibana 8.0.0.

Checklist

• I have reviewed tips for building integrations and this pull request is aligned with them.
• I have verified that all data streams collect metrics or logs.
• I have added an entry to my package's changelog.yml file.
• If I'm introducing a new feature, I have modified the Kibana version constraint in my package's manifest.yml file to point to the latest Elastic stack release (e.g. ^7.13.0).

[elasticmachine]

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Build stats

• Start Time: 2021-11-22T22:28:44.116+0000

• Duration: 28 min 41 sec

• Commit: ae929a8

Test stats 🧪

Test	Results
Failed	0
Passed	297
Skipped	0
Total	297

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[masci]

LGTM