Update filter requirement in HION7

Update filter requirement in HION7. More details: https://its.cern.ch/jira/browse/ATLHI-537

This merge request affects 1 package:

• PhysicsAnalysis/DerivationFramework/DerivationFrameworkHI

This merge request affects 1 file:

• PhysicsAnalysis/DerivationFramework/DerivationFrameworkHI/share/HION7.py

Adding @emmat ,@jcatmore as watchers

added 21.2 Derivation review-pending-level-1 labels

CI compilation and testing are not performed for this legacy branch.

• CI operations are limited to pre-compile checks, setting MR labels, and handling watcher lists.
• Accepted MRs are tested during nightly jobs.

removed review-pending-level-1 label

added review-approved label

mentioned in commit f907425f

merged