upgrade dev and hot middlewares to newest versions (bugfixes?), and disable saveToDisk for dev middleware, since it might cause memory leaks (?)

Author: williamstein

src/packages/hub/package.json

@@ -67,8 +67,8 @@
     "underscore": "^1.12.1",
     "uuid": "^8.3.2",
     "validator": "^13.6.0",
-    "webpack-dev-middleware": "^6.1.2",
-    "webpack-hot-middleware": "^2.25.4",
+    "webpack-dev-middleware": "^7.4.2",
+    "webpack-hot-middleware": "^2.26.1",
     "ws": "^8.18.0"
   },
   "devDependenicesNotes": "For license and size reasons, we make @cocalc/crm a dev dependency so it is NOT installed unless explicitly installed as a separate step.",

src/packages/pnpm-lock.yaml

@@ -217,10 +217,6 @@ export default function getConfig({ middleware }: Options = {}) {
     plugins,
     devServer: {
       hot: true,
-      // https://dev.to/woovi/web-dev-efficiency-achieving-faster-builds-and-lower-memory-load-with-webpack-4cm8
-      devMiddleware: {
-        writeToDisk: true,
-      },
     },
   };