fix(vscode): update vscode-ext-gen output path

Author: johnsoncodehk

extensions/vscode/package.json

@@ -452,7 +452,7 @@
 		"watch": "rolldown --watch --config",
 		"pack": "pnpm run build:prod && vsce package",
 		"release": "pnpm run build:prod && vsce publish",
-		"postinstall": "vscode-ext-gen --scope vue"
+		"postinstall": "vscode-ext-gen --scope vue --output lib/generated-meta.ts"
 	},
 	"devDependencies": {
 		"@types/node": "^22.10.4",