Update changelog

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 ### Updates
 - Update ApiV1Controller, add support for notification filter types ([f61159a1](https://github.com/pixelfed/pixelfed/commit/f61159a1))
+- Update ApiV1Dot1Controller, fix mutual api ([a8bb97b2](https://github.com/pixelfed/pixelfed/commit/a8bb97b2))
 -  ([](https://github.com/pixelfed/pixelfed/commit/))
 
 ## [v0.12.3 (2024-07-01)](https://github.com/pixelfed/pixelfed/compare/v0.12.2...v0.12.3)