Bump composer/composer from 2.2.26 to 2.2.28

Bumps [composer/composer](https://github.com/composer/composer) from 2.2.26 to 2.2.28.
- [Release notes](https://github.com/composer/composer/releases)
- [Changelog](https://github.com/composer/composer/blob/2.2.28/CHANGELOG.md)
- [Commits](composer/composer@2.2.26...2.2.28)

---
updated-dependencies:
- dependency-name: composer/composer
  dependency-version: 2.2.28
  dependency-type: direct:development
...

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

Author: dependabot[bot]