Bump webpack from 5.103.0 to 5.104.1 in /web/pdf

Bumps [webpack](https://github.com/webpack/webpack) from 5.103.0 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@v5.103.0...v5.104.1)

---
updated-dependencies:
- dependency-name: webpack
  dependency-version: 5.104.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

web/pdf/package-lock.json

@@ -17,7 +17,7 @@
     "node-stream-zip": "^1.15.0",
     "string-replace-loader": "^3.2.0",
     "terser-webpack-plugin": "^5.3.16",
-    "webpack": "^5.103.0",
+    "webpack": "^5.104.1",
     "webpack-cli": "^6.0.1"
   }
 }