Bump webpack from 5.75.0 to 5.76.0 in /tgui

Bumps [webpack](https://github.com/webpack/webpack) from 5.75.0 to 5.76.0.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](https://github.com/webpack/webpack/compare/v5.75.0...v5.76.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

tgui/package.json

@@ -38,7 +38,7 @@
     "terser-webpack-plugin": "^5.1.4",
     "typescript": "^4.3.5",
     "url-loader": "^4.1.1",
-    "webpack": "^5.75.0",
+    "webpack": "^5.76.0",
     "webpack-bundle-analyzer": "^4.4.2",
     "webpack-cli": "^4.7.2"
   },