4.0.0

Move from box/spout to openspout/openspout v3 | https://github.com/openspout/openspout
Fix phpunit tests
Add support to php 8.1
Integrated with Github Actions
Add auto dependabot merge

3.0.0

add support for PHP 8
update PHPUnit to 6.4 to 9.5
update Spout from 2 to 3
(breaking change) drop support for PHP 7.1
(breaking change) remove setEndOfLineCharacter support for CSV