Bump symfony/var-exporter from 4.3.5 to 4.4.4
Bump symfony/var-exporter from 4.3.5 to 4.4.4

Bumps [symfony/var-exporter](https://github.com/symfony/var-exporter) from 4.3.5 to 4.4.4.
- [Release notes](https://github.com/symfony/var-exporter/releases)
- [Commits](https://github.com/symfony/var-exporter/compare/v4.3.5...v4.4.4)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
chindit/DadaPictures,chindit/DadaPictures