feat: tag 'review-items' as 'best-practice'

[AdnoC]

Discussed with @WilcoFiers. This seemed the best way to enable the two rules as just going by experimental isn't enough (since neither rule is part of any standard).

Closes issue: WWD-1929 (once the extension is updated to use this version)

Reviewer checks

Required fields, to be filled out by PR reviewer(s)

• Follows the commit message policy, appropriate for next version
• Has documentation updated, a DU ticket, or requires no documentation change
• Includes new tests, or was unnecessary
• Code is reviewed for security by: @WilcoFiers