Added change to CHANGELOG.md

Author: aram356

CHANGELOG.md

@@ -29,7 +29,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [1.0.6] - Scheduled
 
 ### Changed
--  Remove hard coded Fast ID in fastly.tom
+- Remove hard coded Fast ID in fastly.tom
+- Use Rust toolchain version from .tool-versions for GitHub actions 
 
 ## [1.0.5] - 2025-05-19