Allow filtering activity logging by entity bundles

Problem/Motivation

Currently, the Activities module allows enabling activity logging per entity type and per operation (create, update, delete).
However, it is not possible to restrict logging by bundle.

For example, when logging activities for Media, all media items (Images, Documents, Videos, etc.) are logged.

This can quickly flood the activity log on large sites, especially when background operations (like cron or automatic imports) update many entities.

Proposed resolution

Add the ability to filter activity logging by bundle (for entities that have bundles).
The configuration form (/admin/config/activities) will display a new "Select bundles to log" section for each entity type.
If no bundles are selected, all bundles are logged (default behavior).
If one or more bundles are selected, only those will be logged.
Entity types without bundles (like file, user, etc.) continue to behave normally.