updated changelog and jsvm types

CHANGELOG.md

@@ -2,6 +2,8 @@
 
 - Write the default response body of `*Request` hooks that are wrapped in a transaction after the related transaction completes to allow propagating errors ([#6462](https://github.com/pocketbase/pocketbase/discussions/6462#discussioncomment-12207818)).
 
+- Updated the default `COUNT` list request query to use `rowid` when possible to minimize the need of having the `id` field in a covering index.
+
 
 ## v0.27.1