[TASK] Re-allow minor symfony dependencies

Some extensions have a dependency to symfony/console or symfony/finder
versions lower than 3.0. As there is no specific need to enforce
versions 3.0, we can re-allow versions 2.7 and 2.8 as well.

Resolves: #73517
Releases: master
Change-Id: I91fe74c7e46bf6d9dbea52ab2d86d1caa10e33c3
Reviewed-on: https://review.typo3.org/46741


Reviewed-by: Frank Naegler <frank.naegler@typo3.org>
Tested-by: Frank Naegler <frank.naegler@typo3.org>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>