Bump jws from 3.1.4 to 3.2.3 in /functions/testapp/functions

Bumps [jws](https://github.com/brianloveswords/node-jws) from 3.1.4 to 3.2.3.
- [Release notes](https://github.com/brianloveswords/node-jws/releases)
- [Changelog](https://github.com/auth0/node-jws/blob/master/CHANGELOG.md)
- [Commits](auth0/node-jws@v3.1.4...v3.2.3)

---
updated-dependencies:
- dependency-name: jws
  dependency-version: 3.2.3
  dependency-type: indirect
...

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

Author: dependabot[bot]