Update version and CHANGELOG for release (#5834)

Co-authored-by: Olivaw[bot] <olivaw@iterative.ai>

Author: github-actions[bot]

CHANGELOG.md

@@ -2,6 +2,12 @@
 
 All notable changes to this project will be documented in this file.
 
+## [1.2.21] - 2024-11-24
+
+### 🐛 Bug Fixes
+
+- Exclude queued experiments from dvc root collection [#5833](https://github.com/iterative/vscode-dvc/pull/5833) by [@mattseddon](https://github.com/mattseddon)
+
 ## [1.2.20] - 2024-11-04
 
 ### 🔨 Maintenance

extension/package.json

@@ -9,7 +9,7 @@
   "extensionDependencies": [
     "vscode.git"
   ],
-  "version": "1.2.20",
+  "version": "1.2.21",
   "license": "Apache-2.0",
   "readme": "./README.md",
   "repository": {