message: add changelog for PR1726
diff: ## Platform Version 0.9.10 - UNRELEASED
  * Improve error handling for socket timeout ([#791](https://github.com/infinyon/fluvio/issues/791))
  * Report error when using invalid WASM in SmartStream consumer ([#1713](https://github.com/infinyon/fluvio/pull/1713))
  +* Reduce time for validating log file([#1726](https://github.com/infinyon/fluvio/pull/1726))
  ## Platform Version 0.9.9 - 2021-09-30
  * Add `impl std::error::Error for ErrorCode` for better error reporting ([#1693](https://github.com/infinyon/fluvio/pull/1693))
  