build(deps): bump express from 4.16.4 to 4.17.3

Bumps [express](https://github.com/expressjs/express) from 4.16.4 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@4.16.4...4.17.3)

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

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

package.json

@@ -38,7 +38,7 @@
     "dotenv": "^7.0.0",
     "dotenv-expand": "^5.1.0",
     "dotenv-safe": "^6.1.0",
-    "express": "~4.16.0",
+    "express": "~4.17.3",
     "express-async-handler": "^1.1.4",
     "express-session": "^1.16.1",
     "helmet": "^3.16.0",