Bump php-opencloud/openstack from 3.1.0 to 3.2.1

Bumps [php-opencloud/openstack](https://github.com/php-opencloud/openstack) from 3.1.0 to 3.2.1.
- [Release notes](https://github.com/php-opencloud/openstack/releases)
- [Commits](php-opencloud/openstack@v3.1.0...v3.2.1)

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

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Author: dependabot[bot]