fix: version static assets on test deployment

backend/workflows/context_processors.py

@@ -1,4 +1,5 @@
 from .branding import get_branding_context, get_trial_context
+from django.conf import settings
 from .models import UserNotification
 from .roles import template_role_context
 
@@ -18,4 +19,5 @@ def role_context(request):
         )
     else:
         context.update({'header_notifications': [], 'header_unread_notification_count': 0})
+    context.update({'static_asset_version': settings.STATIC_ASSET_VERSION})
     return context