build(deps): bump aws/aws-sdk-php from 3.272.1 to 3.288.1 in /examples/aws-php (#4838)

build(deps): bump aws/aws-sdk-php in /examples/aws-php

Bumps [aws/aws-sdk-php](https://github.com/aws/aws-sdk-php) from 3.272.1 to 3.288.1.
- [Release notes](https://github.com/aws/aws-sdk-php/releases)
- [Commits](aws/aws-sdk-php@3.272.1...3.288.1)

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

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

Author: dependabot[bot]