Bump express from 4.18.2 to 4.19.2

Bumps [express](https://github.com/expressjs/express) from 4.18.2 to 4.19.2.
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/master/History.md)
- [Commits](expressjs/express@4.18.2...4.19.2)

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

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

package.json

@@ -19,7 +19,7 @@
     "babel-polyfill": "^6.26.0",
     "bluebird": "^3.7.2",
     "env-var": "^7.4.1",
-    "express": "^4.18.2",
+    "express": "^4.19.2",
     "morgan": "^1.10.0",
     "xml": "^1.0.1"
   },