Add #1598 to release notes

Author: Nick Craver

docs/index.md

@@ -25,6 +25,7 @@ Note: to get the latest pre-release build, add ` -Pre` to the end of the command
 (note: new PRs will not be merged until they add release note wording here)
 
 - Parameters can now be re-used on subsequent commands (#952 via jamescrowley)
+- Array query support (`.Query<int[]>`) on supported platforms (e.g. Postgres) (#1598 via DarkWanderer)
 
 ### 2.0.90