Bump serve-static and express

Bumps [serve-static](https://github.com/expressjs/serve-static) to 1.16.0 and updates ancestor dependency [express](https://github.com/expressjs/express). These dependencies need to be updated together.


Updates `serve-static` from 1.15.0 to 1.16.0
- [Release notes](https://github.com/expressjs/serve-static/releases)
- [Changelog](https://github.com/expressjs/serve-static/blob/master/HISTORY.md)
- [Commits](expressjs/serve-static@v1.15.0...1.16.0)

Updates `express` from 4.19.2 to 4.20.0
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/master/History.md)
- [Commits](expressjs/express@4.19.2...4.20.0)

---
updated-dependencies:
- dependency-name: serve-static
  dependency-type: indirect
- dependency-name: express
  dependency-type: direct:production
...

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

package.json

@@ -78,7 +78,7 @@
     "culori": "^4.0.1",
     "dotenv": "^16.4.5",
     "ejs": "^3.1.10",
-    "express": "^4.19.2",
+    "express": "^4.20.0",
     "express-rate-limit": "^7.4.0",
     "express-slow-down": "^2.0.3",
     "express-validator": "^7.2.0",