Update version and CHANGELOG for release (#4105)

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

Author: github-actions[bot]

CHANGELOG.md

@@ -2,6 +2,16 @@
 
 All notable changes to this project will be documented in this file.
 
+## [1.0.3] - 2023-06-14
+
+### 🐛 Bug Fixes
+
+- Fix custom plot tooltips [#4102](https://github.com/iterative/vscode-dvc/pull/4102) by [@mattseddon](https://github.com/mattseddon)
+
+### 🔨 Maintenance
+
+- Update demo project and latest tested CLI version (3.0.0) [#4103](https://github.com/iterative/vscode-dvc/pull/4103) by [@mattseddon](https://github.com/mattseddon)
+
 ## [1.0.2] - 2023-06-13
 
 ### 🐛 Bug Fixes

extension/package.json

@@ -9,7 +9,7 @@
   "extensionDependencies": [
     "vscode.git"
   ],
-  "version": "1.0.2",
+  "version": "1.0.3",
   "license": "Apache-2.0",
   "readme": "./README.md",
   "repository": {