Restrict openshift
What does this MR do?
Restricts permissions given to directories used by the analyzer
What are the relevant issue numbers?
Does this MR meet the acceptance criteria?
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Changelog entry added 
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Documentation created/updated for GitLab EE, if necessary 
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Documentation created/updated for this project, if necessary 
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Documentation reviewed by technical writer or follow-up review issue created 
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Tests added for this feature/bug 
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Job definition updated, if necessary 
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Conforms to the code review guidelines 
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Conforms to the Go guidelines 
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Security reports checked/validated by reviewer