[automation] update elastic stack version for testing 8.2.0-c75da523

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What

Bump stack version with the latest one.

Further details

[start_time:Mon, 14 Feb 2022 12:17:14 GMT, release_branch:master, prefix:, end_time:Mon, 14 Feb 2022 17:25:40 GMT, manifest_version:2.0.0, version:8.2.0-SNAPSHOT, branch:master, build_id:8.2.0-c75da523, build_duration_seconds:18506]

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Build stats

• Start Time: 2022-02-15T05:17:56.463+0000

• Duration: 75 min 14 sec

Test stats 🧪

Test	Results
Failed	0
Passed	5634
Skipped	19
Total	5653

🤖 GitHub comments

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• run elasticsearch-ci/docs : Re-trigger the docs validation. (use unformatted text in the comment!)