wrapartamenty.pl/wp-content/plugins/really-simple-ssl/modal/webpack.config.js

const defaultConfig = require("@wordpress/scripts/config/webpack.config");

module.exports = {
    ...defaultConfig,
    output: {
        ...defaultConfig.output,
        filename: '[name].[contenthash].js',
        chunkFilename: '[name].[contenthash].js',
    }
};