Bump express in the npm_and_yarn group across 1 directory

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


Updates `express` from 4.20.0 to 4.21.0
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/4.21.0/History.md)
- [Commits](expressjs/express@4.20.0...4.21.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -42,7 +42,7 @@
     "cross-env": "^7.0.3",
     "dotenv": "^8.2.0",
     "escape-html": "^1.0.3",
-    "express": "^4.20.0",
+    "express": "^4.21.0",
     "jssha": "^3.3.1",
     "md5": "^2.3.0",
     "next": "^14.1.1",