docs: changelog entry for streaming sync retry backoff fix

Author: joshuabrink

PowerSync/PowerSync.Common/CHANGELOG.md

@@ -6,6 +6,7 @@
 - Add support for .NET 9.0. Supported targets now also include `net9.0`, `net9.0-android`, `net9.0-ios`, and `net9.0-maccatalyst`.
 - Update the PowerSync SQLite core extension to 0.4.13.
 - Add support for offline-first file attachments via `AttachmentQueue`. See `Attachments/README.md`.
+- Fix streaming sync retry loop reconnecting with no delay after an exception, ignoring `RetryDelayMs`.
 
 ## 0.1.1