Bump aws/aws-sdk-php from 3.283.15 to 3.283.16

Bumps [aws/aws-sdk-php](https://github.com/aws/aws-sdk-php) from 3.283.15 to 3.283.16.
- [Release notes](https://github.com/aws/aws-sdk-php/releases)
- [Commits](aws/aws-sdk-php@3.283.15...3.283.16)

---
updated-dependencies:
- dependency-name: aws/aws-sdk-php
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>