chore(deps): bump webpack from 5.76.3 to 5.104.1 in /test/dummy

Bumps [webpack](https://github.com/webpack/webpack) from 5.76.3 to 5.104.1.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Changelog](https://github.com/webpack/webpack/blob/main/CHANGELOG.md)
- [Commits](webpack/webpack@v5.76.3...v5.104.1)

---
updated-dependencies:
- dependency-name: webpack
  dependency-version: 5.104.1
  dependency-type: direct:production
...

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

Author: dependabot[bot]

test/dummy/package.json

@@ -25,7 +25,7 @@
     "shakapacker": "7.2.0",
     "style-loader": "^3.3.1",
     "terser-webpack-plugin": "^5.3.3",
-    "webpack": "^5.73.0",
+    "webpack": "^5.104.1",
     "webpack-assets-manifest": "^5.1.0",
     "webpack-cli": "^4.9.2",
     "webpack-merge": "^5.8.0",