chore: update CHANGELOG.md

Author: github-actions[bot]

CHANGELOG.md

@@ -1,5 +1,19 @@
 # Change Log
 
+## [v0.6.3](https://github.com/mongodb-js/vscode/releases/tag/v0.6.3) - 2021-07-26
+
+*TEST RELEASE UNPUBLISHED*
+
+### Added
+
+- Added support for showing databases a user has permissions to when they cannot `listDatabases` (VSCODE-157, #317)
+
+### Changed
+
+- Updated code lenses in playgrounds to now appear at the end of a selection for partially running (#324)
+- Update our CI release pipeline - this is the first automated release :)
+
+
 ## [v0.6.0](https://github.com/mongodb-js/vscode/releases/tag/v0.6.0) - 2021-07-13
 
 ### Added