fix: add @types/redux-mock-store to the template

Author: alexandr-g

template.json

@@ -8,6 +8,7 @@
       "@types/react-dom": "17.0.0",
       "@types/react-redux": "7.1.7",
       "@types/react-router-dom": "5.1.3",
+      "@types/redux-mock-store": "^1.0.1",
       "@typescript-eslint/eslint-plugin": "4.8.1",
       "@typescript-eslint/parser": "4.8.1",
       "@wojtekmaj/enzyme-adapter-react-17": "^0.6.0",