fix(process_updates): process updates no matter which instance is touched

[crankynetman]

To clean things up, at the cost of negligible resources, we now reprocess updates regardless of which host it came from, to ensure consistency and fix a bug where we were assuming that the instance a block was created on is the instance a block will be deactivated from.

[github-actions]

File	Coverage
All files	83%	✅
config/consumers.py	78%	✅
config/urls.py	69%	✅
config/settings/base.py	69%	✅
config/settings/local.py	72%	✅
scram/route_manager/admin.py	71%	✅
scram/route_manager/models.py	79%	✅
scram/route_manager/views.py	88%	✅
scram/route_manager/api/serializers.py	92%	✅
scram/route_manager/api/views.py	76%	✅
scram/shared/shared_code.py	56%	✅
scram/templates/403.html	91%	✅
scram/templates/404.html	91%	✅
scram/templates/base.html	99%	✅

Minimum allowed coverage is 50%

Generated by 🐒 cobertura-action against 4daa366

[samoehlert]

LGTM