CHANGELOG.md in search_flip-3.6.0 vs CHANGELOG.md in search_flip-3.7.0

@@ -1,7 +1,12 @@
 
 # CHANGELOG
 
+## v3.7.0
+
+* Add `SearchFlip::Connection#bulk` to allow more clean bulk indexing to
+  multiple indices at once
+
 ## v3.6.0
 
 * Support Elasticsearch v8
 
 ## v3.5.0