[15.3 cherrypick ] Fix rules of SLES-15.2 staging upload

What does this MR do?

Cherrypick !6281 (merged) to 15-3-stable

Related issues

#7188 (closed)

Checklist

See Definition of done.

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Required

• Merge Request Title, and Description are up to date, accurate, and descriptive
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Expected (please provide an explanation if not completing)

• Test plan indicating conditions for success has been posted and passes
• Documentation created/updated
• Tests added
• Integration tests added to GitLab QA
• Equivalent MR/issue for the GitLab Chart opened