build(deps): bump serve-static from 1.15.0 to 1.16.0 in /express

Bumps [serve-static](https://github.com/expressjs/serve-static) from 1.15.0 to 1.16.0.
- [Release notes](https://github.com/expressjs/serve-static/releases)
- [Changelog](https://github.com/expressjs/serve-static/blob/master/HISTORY.md)
- [Commits](expressjs/serve-static@v1.15.0...1.16.0)

---
updated-dependencies:
- dependency-name: serve-static
  dependency-type: direct:production
...

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

express/package.json

@@ -52,7 +52,7 @@
     "range-parser": "1.2.1",
     "safe-buffer": "5.2.1",
     "send": "0.18.0",
-    "serve-static": "1.15.0",
+    "serve-static": "1.16.0",
     "setprototypeof": "1.2.0",
     "statuses": "2.0.1",
     "type-is": "1.6.18",