chore: release runtime (#926)

Author: mattjohnsonpint

CHANGELOG.md

@@ -7,6 +7,9 @@ NOTE: all releases may include dependency updates, not specifically mentioned
 ## UNRELEASED
 
 - feat: integrate try-as library [#912](https://github.com/hypermodeinc/modus/pull/912)
+
+## 2025-07-03 - Runtime v0.18.3
+
 - fix: check topic actor status before publishing events [#918](https://github.com/hypermodeinc/modus/pull/918)
 - feat: update health endpoint [#924](https://github.com/hypermodeinc/modus/pull/924)
 - feat: improve sentry and logging [#925](https://github.com/hypermodeinc/modus/pull/925)