Fix course-bundle-query's arguments

aleksis/apps/lesrooster/frontend/components/timetable_management/timetableManagement.graphql

@@ -12,8 +12,8 @@ query gqlGroups($timeGrid: ID!) {
   }
 }
 
-query courseBundles($group: ID!) {
-  courseBundles: courseBundlesForGroup(group: $group) {
+query courseBundles($group: ID!, $validityRange: ID!) {
+  courseBundles: courseBundlesForGroup(group: $group, validityRange: $validityRange) {
     id
     name
     lessonQuota

aleksis/apps/lesrooster/schema/__init__.py

@@ -83,7 +83,7 @@ class Query(graphene.ObjectType):
     course_bundles_for_group = graphene.List(
         TimeboundCourseBundleType,
         group=graphene.ID(required=True),
-        validity_ranges=graphene.ID(required=True),
+        validity_range=graphene.ID(required=True),
     )
     lesson_bundles_for_group = graphene.List(
         LessonBundleType,