Bump webpack in /ffi/diplomat/js/examples/wasm-demo (#3199)

Bumps [webpack](https://github.com/webpack/webpack) from 5.74.0 to 5.76.0.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](webpack/webpack@v5.74.0...v5.76.0)

---
updated-dependencies:
- dependency-name: webpack
  dependency-type: direct:development
...

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ffi/diplomat/js/examples/wasm-demo/package.json

@@ -27,7 +27,7 @@
     "style-loader": "^3.3.1",
     "ts-loader": "^9.3.1",
     "typescript": "^4.7.4",
-    "webpack": "^5.73.0",
+    "webpack": "^5.76.0",
     "webpack-cli": "^4.10.0",
     "webpack-dev-server": "^4.9.3"
   }