Bump express from 4.17.1 to 4.17.3

Bumps [express](https://github.com/expressjs/express) from 4.17.1 to 4.17.3.
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/master/History.md)
- [Commits](expressjs/express@4.17.1...4.17.3)

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

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

package.json

@@ -574,7 +574,7 @@
     "body-parser": "^1.18.2",
     "dotenv": "^5.0.1",
     "download-git-repo": "^1.0.2",
-    "express": "^4.16.3",
+    "express": "^4.17.3",
     "fs-extra": "^4.0.2",
     "is-port-reachable": "^2.0.0",
     "json-source-map": "^0.6.1",