Resolve rubocop offense Migration/DepartmentName

What does this MR do?

• Resolves rubocop offenses Migration/DepartmentName

Contributes to #239356

Conformity

• 📋 Does this MR need a changelog?
  • I have included a changelog entry.
  • [-] I have not included a changelog entry because _____.
• [-] Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• [-] Database guides
• [-] Separation of EE specific content