Bump express from 4.17.2 to 4.17.3 in /creds-generator

Bumps [express](https://github.com/expressjs/express) from 4.17.2 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@4.17.2...4.17.3)

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

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

Author: dependabot[bot]

creds-generator/package-lock.json

@@ -29,7 +29,7 @@
   "dependencies": {
     "body-parser": "^1.19.1",
     "crypto-js": "^4.1.1",
-    "express": "^4.17.2",
+    "express": "^4.17.3",
     "qrcode": "^1.5.0"
   }
 }