Date range validation for Cycle Analytics

What does this MR do?

This change adds date range validation (180 days) to cycle analytics feature. The frontend validation is already implemented. #119111 (closed)

Screenshots

Users won't be able to select a date range >180 days from the FE, the JSON error from the BE is just the 2nd line of defense.

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Database guides
• Separation of EE specific content

Availability and Testing

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• Tested in all supported browsers
• Informed Infrastructure department of a default or new setting change, if applicable per definition of done

Closes #36744 (closed)