Bump build/php from 9728fa5 to 56cec11 (#6588)

Bumps [build/php](https://github.com/pmmp/php-build-scripts) from `9728fa5` to `56cec11`.
- [Release notes](https://github.com/pmmp/php-build-scripts/releases)
- [Commits](pmmp/PHP-Binaries@9728fa5...56cec11)

---
updated-dependencies:
- dependency-name: build/php
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>