Octopus 2021 Q3: Google Cloud support with centralized Kubernetes deployments and runbooks

The Octopus 2021 Q3 release introduces enhanced integration with Google Cloud, providing built-in support for Kubernetes and facilitating deployment and runbook automation on Google infrastructure. This update also features a no-code Workato connector for integrating Octopus Deploy with business workflows, LDAP authentication for self-hosted servers, and new variable substitution filters for creating dynamic run conditions. Additionally, the release includes breaking changes requiring the OctopusUseBundledTooling property for steps using execution containers, impacting users with custom Windows execution containers. With these updates, Octopus aims to simplify complex deployments and improve user experience, while also offering long-term support for Octopus Server releases.