[ci] 在GitHub Actions工作流中添加npm run package命令，以确保正确打包VSCode扩展

.github/workflows/publish-vscode.yml

@@ -31,4 +31,5 @@ jobs:
                   npm run files
                   npm install
                   npm install -g @vscode/vsce
+                  npm run package
                   vsce publish ${{ secrets.VSCE_TOKEN }}