Hoeilaart: lots of additions and fixes based on survey.

Updated `admin_level=*` for Laeken, NOH and Haren (note 4430432 and brief discussion in the OSM BE Matrix room).

Added details to Grimbergen Cockeries bus stops and added some info to a building and driveway.

Mapped paths around Zaventem Technics Noord bus stops in detail.

Added 4 surveillance cameras near Mechelsesteenweg; some various minor additions and fixes.

Added surveillance camera near roundabout at Avenue des Croix de Guerre.

Added Instagram page (note 4429473).

VUB restaurant: mapped amenity as separate node; added payment info, diet info, contact info and other details; fixed tagging of outdoor seating area.

Added `diet:*=*` tags to Maison Antoine.

Improved tagging of charging station in Hoornzeelstraat.

Added some details in Park van Tervuren and improved tagging and mapping of car parks.

Updated tagging for service road section of Koningslosteenweg after survey.

Correctie straatnaam (note 4427236).

Correctie straatnamen Merelaarstraat en Violierstraat (notes 4427302 en 4427435).

Overbodige naam van kerkhof verwijderd (note 4426371)

Mapped some empty plots as greenfields (context: note 3442298; source: GRB).

Marked farm as demolished (note 4426448).

Added Jeugdhuis Uttetote (note 3838544); improved tagging of car park (note 3838548) and fixed wrong `layer=*` tags on paths.

Added lanes information on Rodebergstraat (note 4268149 and aerial imagery) and improved mapping of crossroads with Dikkebusstraat.

Added detailed building info (note 4274568).