Hash filenames of extracted CSS (#18976)

Author: Tim Roes

airbyte-webapp/craco.config.js

@@ -15,6 +15,8 @@ module.exports = {
           }),
           new MiniCssExtractPlugin({
             ignoreOrder: true,
+            filename: "static/css/[name].[contenthash:8].css",
+            chunkFilename: "static/css/[name].[contenthash:8].chunk.css",
           }),
         ],
       };