webpack updated to v10

package.json

@@ -1,7 +1,7 @@
 {
   "name": "tinode-webapp",
   "description": "Tinode messenger for the web",
-  "version": "0.18.0-rc3",
+  "version": "0.18.1-beta1",
   "repository": {
     "type": "git",
     "url": "https://github.com/tinode/example-react-js.git"
@@ -80,7 +80,7 @@
     "babel-loader": "^8.2.2",
     "babel-plugin-formatjs": "^10.2.19",
     "browserslist": "^4.16.5",
-    "copy-webpack-plugin": "^9.0.0",
+    "copy-webpack-plugin": "^10.0.0",
     "cssnano": "^5.0.6",
     "glob": "^7.1.7",
     "mkdirp": "^1.0.4",