Fix prepublishOnly: remove pytest dependency from CI publish

The prepublishOnly script called test:all which requires pytest,
but pytest is not available on the GitHub Actions runner. The
workflow already runs npm test before publish, so prepublishOnly
only needs the node tests.

Author: AnExiledDev

container/package.json

@@ -13,7 +13,7 @@
 		"test": "node test.js",
 		"test:plugins": "pytest tests/ -v",
 		"test:all": "npm test && pytest tests/ -v",
-		"prepublishOnly": "npm run test:all",
+		"prepublishOnly": "npm test",
 		"docs:dev": "npm run dev --prefix docs",
 		"docs:build": "npm run build --prefix docs",
 		"docs:preview": "npm run preview --prefix docs"