Update `Forms Processed Per Hour` column on Staff Performance Report

[JohnMwashuma]

User story

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Update the Forms Processed Per Hour column to display hours rounded to the nearest hundredth.

Acceptance Criteria

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• [ ] Form processed per hour should be rounded to the nearest hundred.

Task check list

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• [ ] Update this line and have it return a round figure. round(total_forms_processed/hours, 3) Should do it.