build(deps): bump the npm_and_yarn group across 2 directories with 2 updates

Bumps the npm_and_yarn group with 1 update in the /backend directory: [express](https://github.com/expressjs/express).
Bumps the npm_and_yarn group with 1 update in the /docs directory: [webpack](https://github.com/webpack/webpack).


Updates `express` from 4.18.2 to 4.19.2
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/master/History.md)
- [Commits](https://github.com/expressjs/express/compare/4.18.2...4.19.2)

Updates `webpack` from 5.90.0 to 5.94.0
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](https://github.com/webpack/webpack/compare/v5.90.0...v5.94.0)

---
updated-dependencies:
- dependency-name: express
  dependency-type: direct:production
  dependency-group: npm_and_yarn
- dependency-name: webpack
  dependency-type: indirect
  dependency-group: npm_and_yarn
...

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

backend/package.json

@@ -14,7 +14,7 @@
   "dependencies": {
     "bcrypt": "^5.1.1",
     "cors": "^2.8.5",
-    "express": "^4.18.2",
+    "express": "^4.19.2",
     "express-rate-limit": "^7.3.1",
     "jsonwebtoken": "^9.0.2",
     "multer": "^1.4.5-lts.1",