Bump express from 4.16.3 to 4.17.3 in /JavaScript/weather-api-resolver

Bumps [express](https://github.com/expressjs/express) from 4.16.3 to 4.17.3.
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/master/History.md)
- [Commits](https://github.com/expressjs/express/compare/4.16.3...4.17.3)

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

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

JavaScript/weather-api-resolver/package.json

@@ -10,7 +10,7 @@
   "license": "MIT",
   "dependencies": {
     "body-parser": "^1.18.3",
-    "express": "^4.16.3",
+    "express": "^4.17.3",
     "fs": "0.0.1-security",
     "snekfetch": "^4.0.4"
   }