update changelog

Author: ChrisHegarty

docs/changelog/129546.yaml

@@ -3,3 +3,11 @@ summary: Upgrade to Lucene 10.2.2
 area: Search
 type: upgrade
 issues: []
+highlight:
+  title: Upgrade to lucene 10.2.2
+  body: |-
+    * Reduce NeighborArray on-heap memory during HNSW graph building
+    * Fix IndexSortSortedNumericDocValuesRangeQuery for integer sorting
+    * ValueSource.fromDoubleValuesSource(dvs).getSortField() would throw errors when used if the DoubleValuesSource needed scores
+    ----
+notable: true