Cherry-pick #26226 to 7.x: Set SM Filebeat modules as GA

[sayden]

Cherry-pick of PR #26226 to 7.x branch. Original message:

Filebeat SM modules weren´t explicitly defined as GA. This PR adds the GA tag on them: elasticsearch, kibana and logstash.

[botelastic]

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[elasticmachine]

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• Build Cause: Pull request #26557 updated

• Start Time: 2021-06-30T15:16:27.841+0000

• Duration: 108 min 31 sec

• Commit: 72f739e

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Test	Results
Failed	0
Passed	14091
Skipped	2326
Total	16417

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Test stats 🧪

Test	Results
Failed	0
Passed	14091
Skipped	2326
Total	16417

[mergify]

This pull request is now in conflicts. Could you fix it? 🙏
To fixup this pull request, you can check out it locally. See documentation: https://help.github.com/articles/checking-out-pull-requests-locally/

git fetch upstream
git checkout -b backport_26226_7.x upstream/backport_26226_7.x
git merge upstream/7.x
git push upstream backport_26226_7.x