chore(deps): bump webpack from 5.75.0 to 5.76.0 (#3761)

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
...

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js-packages/webpack-config/package.json

@@ -6,7 +6,7 @@
   "author": "Flarum Team",
   "license": "MIT",
   "peerDependencies": {
-    "webpack": "^5.0.0"
+    "webpack": "^5.76.0"
   },
   "dependencies": {
     "@babel/core": "^7.16.0",
@@ -21,7 +21,7 @@
     "@babel/runtime": "^7.16.0",
     "babel-loader": "^8.2.3",
     "typescript": "^4.4.4",
-    "webpack": "^5.0.0",
+    "webpack": "^5.76.0",
     "webpack-bundle-analyzer": "^4.5.0"
   },
   "devDependencies": {