doc: Changelog for 0.15.1

Author: untitaker

CHANGES.md

@@ -27,6 +27,10 @@ sentry-sdk==0.10.1
 
 A major release `N` implies the previous release `N-1` will no longer receive updates. We generally do not backport bugfixes to older versions unless they are security relevant. However, feel free to ask for backports of specific commits on the bugtracker.
 
+## 0.15.1
+
+* Fix fatal crash in Pyramid integration on 404.
+
 ## 0.15.0
 
 * **Breaking change:** The ASGI middleware will now raise an exception if contextvars are not available, like it is already the case for other asyncio integrations.