update changelog

Author: sivukhin

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## 0.12.0 -- 2024-09-16
+
+-   Upgrade `hrana-client-ts` to latest 0.7.0 version which has stable `isomorphic-fetch` implementation (see https://github.com/libsql/hrana-client-ts/pull/19)
+
 ## 0.11.0 -- 2024-09-13
 
 -   Upgrade `libsql-js` to latest 0.4.4 version which brings full vector search support for embedded replicas (see vector search documentation here: https://docs.turso.tech/features/ai-and-embeddings)