Update version and CHANGELOG for release (#4693)

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.
 
+## [1.0.57] - 2023-09-20
+
+### 🚀 New Features and Enhancements
+
+- Merge create plot commands [#4680](https://github.com/iterative/vscode-dvc/pull/4680) by [@julieg18](https://github.com/julieg18)
+
 ## [1.0.56] - 2023-09-19
 
 ### 🐛 Bug Fixes

extension/package.json

@@ -9,7 +9,7 @@
   "extensionDependencies": [
     "vscode.git"
   ],
-  "version": "1.0.56",
+  "version": "1.0.57",
   "license": "Apache-2.0",
   "readme": "./README.md",
   "repository": {