Bump express from 4.17.3 to 4.20.0

Bumps [express](https://github.com/expressjs/express) from 4.17.3 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@4.17.3...4.20.0)

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

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

Author: dependabot[bot]

.yarn/install-state.gz

@@ -22,7 +22,7 @@
     "eslint-config-airbnb-base": "^14.2.1",
     "eslint-plugin-import": "^2.25.2",
     "eslint-plugin-prettier": "^4.0.0",
-    "express": "^4.17.3",
+    "express": "^4.20.0",
     "nodemon": "^2.0.14",
     "pg": "^8.13.1",
     "prettier": "^2.4.1"