Bump version and changelog

Author: juliasilge

apps/vscode/CHANGELOG.md

@@ -1,5 +1,7 @@
 # Changelog
 
+## 1.122.0 (unreleased)
+
 ## 1.121.0 (Release on 2025-05-02)
 
 - Add new controls for Positron editor action bar (<https://github.com/quarto-dev/quarto/pull/698>).

apps/vscode/package.json

@@ -11,7 +11,7 @@
     "pandoc",
     "quarto"
   ],
-  "version": "1.121.0",
+  "version": "1.122.0",
   "repository": {
     "type": "git",
     "url": "https://github.com/quarto-dev/quarto/tree/main/apps/vscode"