Bump symfony/http-foundation from 4.2.2 to 4.4.15

Bumps [symfony/http-foundation](https://github.com/symfony/http-foundation) from 4.2.2 to 4.4.15.
- [Release notes](https://github.com/symfony/http-foundation/releases)
- [Changelog](https://github.com/symfony/http-foundation/blob/master/CHANGELOG.md)
- [Commits](symfony/http-foundation@v4.2.2...v4.4.15)

Signed-off-by: dependabot[bot] <[email protected]>