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

@@ -29,7 +29,7 @@
     "compression": "^1.7.4",
     "config": "^3.3.6",
     "debug": "^4.3.2",
-    "express": "^4.17.1",
+    "express": "^4.17.3",
     "gzip-size": "^5.1.1",
     "lodash": "^4.17.21",
     "lru-cache": "^5.1.1",