adjust CHANGELOG

Author: baumgaertnerd

CHANGELOG.md

@@ -6,6 +6,7 @@
 - add panel macro support [panel support](https://github.com/denco/vscode-confluence-markup/issues/22)
 - add bages for [Open VSX Registry](https://open-vsx.org/)
 - use bages from [shilds.io](https://shields.io/)
+- migrate from `vscode` dependency to `@types/vscode` and `vscode-test`, s. [Migrating from `vscode`](https://code.visualstudio.com/api/working-with-extensions/testing-extension#migrating-from-vscode)
 
 ## [0.1.8](https://github.com/denco/vscode-confluence-markup/releases/tag/0.1.8)