Bump symfony/flex from 1.2.3 to 1.2.5
Bump symfony/flex from 1.2.3 to 1.2.5

Bumps [symfony/flex](https://github.com/symfony/flex) from 1.2.3 to 1.2.5.
- [Release notes](https://github.com/symfony/flex/releases)
- [Commits](https://github.com/symfony/flex/compare/v1.2.3...v1.2.5)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
takeit/web-publisher,takeit/web-renderer,superdesk/web-publisher,takeit/web-publisher,takeit/web-publisher,takeit/web-renderer,superdesk/web-publisher,takeit/web-renderer,superdesk/web-publisher,superdesk/web-publisher,takeit/web-renderer