Add CHANGELOG for v0.4.0 (#31)

Co-authored-by: Madhushree Ray <[email protected]>

CHANGELOG.md

@@ -1,3 +1,15 @@
+## v0.4.0 [2023-12-12]
+
+_What's new?_
+
+- The plugin can now be downloaded and used with the [Steampipe CLI](https://steampipe.io/docs), as a [Postgres FDW](https://steampipe.io/docs/steampipe_postgres/overview), as a [SQLite extension](https://steampipe.io/docs//steampipe_sqlite/overview) and as a standalone [exporter](https://steampipe.io/docs/steampipe_export/overview). ([#30](https://github.com/turbot/steampipe-plugin-mongodbatlas/pull/30))
+- The table docs have been updated to provide corresponding example queries for Postgres FDW and SQLite extension. ([#30](https://github.com/turbot/steampipe-plugin-mongodbatlas/pull/30))
+- Docs license updated to match Steampipe [CC BY-NC-ND license](https://github.com/turbot/steampipe-plugin-mongodbatlas/blob/main/docs/LICENSE). ([#30](https://github.com/turbot/steampipe-plugin-mongodbatlas/pull/30))
+
+_Dependencies_
+
+- Recompiled plugin with [steampipe-plugin-sdk v5.8.0](https://github.com/turbot/steampipe-plugin-sdk/blob/main/CHANGELOG.md#v580-2023-12-11) that includes plugin server encapsulation for in-process and GRPC usage, adding Steampipe Plugin SDK version to `_ctx` column, and fixing connection and potential divide-by-zero bugs. ([#29](https://github.com/turbot/steampipe-plugin-mongodbatlas/pull/29))
+
 ## v0.3.1 [2023-10-05]
 
 _Dependencies_