update changelog

Author: dlarocque

firebase-ai/CHANGELOG.md

@@ -2,8 +2,7 @@
 
 - [changed] **Breaking Change**: Removed the `candidateCount` option from `LiveGenerationConfig`
 - [changed] Added support for the URL context tool, which allows the model to access content from
-  provided public web URLs to inform and enhance its responses.
-  (#7382)
+  provided public web URLs to inform and enhance its responses. (#7382)
 - [changed] Added better error messages to `ServiceConnectionHandshakeFailedException` (#7412)
 
 # 17.3.0