Bump express from 4.18.1 to 4.19.2 in /examples/nodejs/node-express

Bumps [express](https://github.com/expressjs/express) from 4.18.1 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@4.18.1...4.19.2)

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

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

examples/nodejs/node-express/package.json

@@ -7,7 +7,7 @@
     "url": "https://github.com/GoogleContainerTools/distroless.git"
   },
   "dependencies": {
-    "express": "4.18.1"
+    "express": "4.19.2"
   },
   "author": "Bryant Hagadorn",
   "license": "ISC"