Prepare 4.9.0 (#729)

Author: cleptric

CHANGELOG.md

@@ -1,5 +1,23 @@
 # Changelog
 
+## 4.9.0
+
+The Sentry SDK team is happy to announce the immediate availability of Sentry Symfony SDK v4.9.0.
+
+### Features
+
+- Add a new Doctrine DBAL tracing driver that does not implement the deprecated `VersionAwarePlatformDriver` [(#723)](https://github.com/getsentry/sentry-symfony/pull/723)
+
+  The driver is automatically picked if `doctrine/dbal` version `3.2.0` or higher is installed.
+
+### Bug Fixes
+
+-  Fix config type of `http_connect_timeout`and `http_timeout` options [(#721)](https://github.com/getsentry/sentry-symfony/pull/721)
+
+### Misc
+
+- Bump the underlying PHP SDK to version `^3.19` [(#725)](https://github.com/getsentry/sentry-symfony/pull/725)
+
 ## 4.8.0
 
 The Sentry SDK team is happy to announce the immediate availability of Sentry Symfony SDK v4.8.0.