Bump shivammathur/setup-php from 2.15.0 to 2.16.0
Bump shivammathur/setup-php from 2.15.0 to 2.16.0

Bumps [shivammathur/setup-php](https://github.com/shivammathur/setup-php) from 2.15.0 to 2.16.0.
- [Release notes](https://github.com/shivammathur/setup-php/releases)
- [Commits](https://github.com/shivammathur/setup-php/compare/2.15.0...2.16.0)

---
updated-dependencies:
- dependency-name: shivammathur/setup-php
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
Trejjam/ThePay-lib,Trejjam/ThePay-lib