Add fix to changelog

CHANGELOG.md

@@ -12,6 +12,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Added `cloud-seed run` command to run functions locally with automatic rebuilding on changes. See `README.md` for documentation on how to use this command.
 - Cloud Seed commands can now discover the cloudseed.json configuration file for the project when run from within a subdirectory.
 
+### Fixed
+
+- Fixed an "Invalid value" error when deploying `scheduledJob` functions with `attemptDeadline` option set to the default value.
+
 ## [v4.0.0](https://github.com/Space48/cloud-seed/compare/v3.0.0...v4.0.0)
 
 ### Breaking changes