chore(deps): bump express in /packages/origin-backend

Bumps [express](https://github.com/expressjs/express) from 4.17.2 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@4.17.2...4.20.0)

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

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

packages/origin-backend/package.json

@@ -56,7 +56,7 @@
         "class-validator": "0.13.2",
         "dotenv": "10.0.0",
         "ethers": "5.3.1",
-        "express": "4.17.2",
+        "express": "4.20.0",
         "moment": "2.29.2",
         "multer": "1.4.4",
         "passport": "0.5.2",