add entry to changelog

Author: mjyocca

CHANGELOG.md

@@ -7,6 +7,7 @@
 * Add `Query` param field to `AgentPoolListOptions` to allow searching based on agent pool name, by @JarrettSpiker [#417](https://github.com/hashicorp/go-tfe/pull/417)
 * Add organization scope and allowed workspaces field for scope agents by @Netra2104 [#453](https://github.com/hashicorp/go-tfe/pull/453)
 * Adds `Namespace` and `RegistryName` fields to `RegistryModuleID` to allow reading of Public Registry Modules by @Uk1288 [#464](https://github.com/hashicorp/go-tfe/pull/464)
+* Adds `ConfigurationSourceAdo` configuration source option [#467](https://github.com/hashicorp/go-tfe/pull/467)
 
 ## Bug fixes
 * Fixed JSON mapping for Configuration Versions failing to properly set the `speculative` property [#459](https://github.com/hashicorp/go-tfe/pull/459)