message: Change issue reference in changelog for batching producer
diff: * Simple Topic Retention with time ([#2019](https://github.com/infinyon/fluvio/issues/2019))
  * Uninstall sys chart when cluster is deleted ([#2032](https://github.com/infinyon/fluvio/issues/2032))
  * Upgrade Wasmtime 0.32 ([#2038](https://github.com/infinyon/fluvio/pull/2038))
  -* Add auto-batching to Producer ([#1077](https://github.com/infinyon/fluvio/issues/1077))
  +* Add auto-batching to Producer ([#2000](https://github.com/infinyon/fluvio/issues/2000))
  ## Platform Version 0.9.15 - 2021-12-10
  * Migrate Rust crates to edition 2021 ([#1798](https://github.com/infinyon/fluvio/issues/1798))
  