chore: upgrade mithril client wasm examples dependencies

By running 'make upgrade' command in 'examples/client-wasm-nodejs' and 'examples/client-wasm-web'.

Author: jpraynaud

examples/client-wasm-web/package-lock.json

@@ -14,7 +14,7 @@
   "devDependencies": {
     "copy-webpack-plugin": "^13.0.0",
     "prettier": "^3.5.3",
-    "webpack": "^5.99.7",
+    "webpack": "^5.99.9",
     "webpack-cli": "^6.0.1",
     "webpack-dev-server": "^5.2.1"
   }