chore(npm-script): add missing dependency

As per #307 (review)

Author: izaera

projects/npm-tools/packages/npm-scripts/package.json

@@ -16,6 +16,7 @@
 		"@babel/preset-typescript": "^7.10.4",
 		"@liferay/eslint-config": "21.2.1",
 		"@liferay/jest-junit-reporter": "1.2.0",
+		"@liferay/js-toolkit-core": "3.0.1-pre.1",
 		"@liferay/npm-bundler-preset-liferay-dev": "4.6.5",
 		"@testing-library/dom": "^5.6.1",
 		"@testing-library/jest-dom": "^4.2.4",