Move burnup graphql data to new format

It now lives inside report

ee/app/assets/javascripts/burndown_chart/components/burn_charts.vue

@@ -64,7 +64,7 @@ export default {
         };
       },
       update(data) {
-        const sparseBurnupData = data?.[this.parent]?.burnupTimeSeries || [];
+        const sparseBurnupData = data?.[this.parent]?.report.burnupTimeSeries || [];
 
         return this.padSparseBurnupData(sparseBurnupData);
       },

ee/app/assets/javascripts/burndown_chart/queries/burnup.query.graphql

@@ -2,23 +2,27 @@ query IterationBurnupTimesSeriesData($id: ID!, $isIteration: Boolean = false) {
   milestone(id: $id) @skip(if: $isIteration) {
     title
     id
-    burnupTimeSeries {
-      date
-      scopeCount
-      scopeWeight
-      completedCount
-      completedWeight
+    report {
+      burnupTimeSeries {
+        date
+        scopeCount
+        scopeWeight
+        completedCount
+        completedWeight
+      }
     }
   }
   iteration(id: $id) @include(if: $isIteration) {
     title
     id
-    burnupTimeSeries {
-      date
-      scopeCount
-      scopeWeight
-      completedCount
-      completedWeight
+    report {
+      burnupTimeSeries {
+        date
+        scopeCount
+        scopeWeight
+        completedCount
+        completedWeight
+      }
     }
   }
 }