Update version and CHANGELOG for release (#3703)

Co-authored-by: Olivaw[bot] <[email protected]>

Author: github-actions[bot]

CHANGELOG.md

@@ -2,6 +2,12 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.7.8] - 2023-04-17
+
+### 🐛 Bug Fixes
+
+- Turn off add/remove branches feature flag [#3702](https://github.com/iterative/vscode-dvc/pull/3702) by [@mattseddon](https://github.com/mattseddon)
+
 ## [0.7.7] - 2023-04-17
 
 ### 🚀 New Features and Enhancements

extension/package.json

@@ -9,7 +9,7 @@
   "extensionDependencies": [
     "vscode.git"
   ],
-  "version": "0.7.7",
+  "version": "0.7.8",
   "license": "Apache-2.0",
   "readme": "./README.md",
   "repository": {