We released version 1.3.0 of the Migrate to Containers modernization plugins

## Announcement On August 22, 2023 we released version 1.3.0 of the Migrate to Containers modernization plugins. Learn how to [Upgrade Migrate to Containers plugins](https://cloud.google.com/migrate/containers/docs/upgrade#upgrade%5Fplugins). ## Change The following changes have been made to the IBM WebSphere Application Server migration: * Renamed the plugin from `websphere-container` to`websphere-traditional-container`. This plugin now supports WebSphere Application Server Traditional as a migration source. * Added support for WebSphere Application Server Liberty as a target. * The `was-home` parameter is now mandatory. ## Change The following changes have been made to the discovery parameters for the Tomcat plugin: * The `java-version` parameter is now added as input to Tomcat migrations. * The `catalina-base` parameter can now include multiple directories delimited with colons (`:`). * The `java-version`, `catalina-base` and `catalina-home` parameters are now mandatory. ## Change Linux system service endpoints are no longer automatically discovered and must be manually specified while [customizing the Linux migration plan](https://cloud.google.com/migrate/containers/docs/customizing-a-migration-plan#service-endpoints).