Bump psalm/phar from 3.12.2 to 3.15
Bump psalm/phar from 3.12.2 to 3.15

Bumps [psalm/phar](https://github.com/psalm/phar) from 3.12.2 to 3.15.
- [Release notes](https://github.com/psalm/phar/releases)
- [Commits](https://github.com/psalm/phar/compare/3.12.2...3.15)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
andreas-p/nextcloud-server,andreas-p/nextcloud-server,andreas-p/nextcloud-server,nextcloud/server,nextcloud/server,andreas-p/nextcloud-server,nextcloud/server,nextcloud/server,andreas-p/nextcloud-server