update version and changelog for release (#2215)

Co-authored-by: sroy3 <[email protected]>

Author: github-actions[bot]

CHANGELOG.md

@@ -2,6 +2,17 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.3.20] - 2022-08-18
+
+### 🚀 New Features and Enhancements
+
+- Show min tested version in toast warning message [#2209](https://github.com/iterative/vscode-dvc/pull/2209) by [@mattseddon](https://github.com/mattseddon)
+
+### 🐛 Bug Fixes
+
+- Fix sticky workspace row obscuring branch [#2212](https://github.com/iterative/vscode-dvc/pull/2212) by [@mattseddon](https://github.com/mattseddon)
+- Make drop zones larger when dragging in the same section [#2206](https://github.com/iterative/vscode-dvc/pull/2206) by [@sroy3](https://github.com/sroy3)
+
 ## [0.3.19] - 2022-08-18
 
 ### 🚀 New Features and Enhancements

extension/package.json

@@ -9,7 +9,7 @@
   "extensionDependencies": [
     "vscode.git"
   ],
-  "version": "0.3.19",
+  "version": "0.3.20",
   "license": "Apache-2.0",
   "readme": "./README.md",
   "repository": {