Internationalization of shared/promotions/_promote_audit_events.html.haml

What does this MR do?

Internationalizes ee/app/views/shared/promotions/_promote_audit_events.html.haml

Screenshots

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Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• [n/a] Documentation created/updated or follow-up review issue created
• Code review guidelines
• [n/a] Merge request performance guidelines
• [n/a] Style guides
• [n/a] Database guides
• Separation of EE specific content