fix: correct indentation for 'Install vsce' step in publish workflow

Author: twentyTwo

.github/workflows/publish.yml

@@ -77,7 +77,7 @@ jobs:
 
       - name: Compile
         run: npm run compile
-          - name: Install vsce
+      - name: Install vsce
         run: npm install -g @vscode/vsce
 
       - name: Clean existing VSIX files