Fix publish workflow. Closes #268

Closes #268

Author: garrytrinder

.github/workflows/publish.yml

@@ -21,8 +21,8 @@ jobs:
     - name: Install Dependencies
       run: npm ci
 
-    - name: Install VSCE
-      run: npm install -g vsce
+    - name: Install @vscode/vsce
+      run: npm install -g @vscode/vsce
 
     - name: Publish
       env: