chore: Changelog for v6.6.0 release (#1155)

Author: timfish

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+## 6.6.0
+
+- feat: Update JavaScript SDKs from [v9.11.0](https://github.com/getsentry/sentry-javascript/releases/tag/9.11.0) to [v9.18.0](https://github.com/getsentry/sentry-javascript/releases/tag/9.18.0)
+
 ## 6.5.0
 
 - feat: Update JavaScript SDKs from [v9.10.1](https://github.com/getsentry/sentry-javascript/releases/tag/9.10.1) to [v9.11.0](https://github.com/getsentry/sentry-javascript/releases/tag/9.11.0)