[7.x](backport #1693) fix: run heartbeat not as uid 1000

[mergify]

This is an automatic backport of pull request #1693 done by Mergify.

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[elasticmachine]

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• Start Time: 2021-10-20T20:38:04.959+0000

• Duration: 16 min 19 sec

• Commit: 9cae01c

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Test	Results
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Passed	162
Skipped	0
Total	162

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