Update changelog for 5.12.0
@@ -7,6 +7,8 @@ Versioning](http://semver.org/spec/v2.0.0.html).
## Unreleased
+## [5.12.0] - 2019-08-22
+
### Added
- Added functionality for the agent `--allow-list` configuration, which
whitelists check and check hook executables.
