* Support TYPO3 v12.0
All dependencies are compatible now.
We can update to support v12.0.
This commit will shift TYPO3 support from 10 and 11 to 11 and 12.
See Changelog entry.
Update dev dependencies to our latest best practice.
Auto migrate code base to follow CGL and use PHP 7.4.
Extract operating system from user agent and store it in database
record.
Another widget is added which displays the page views per operating
system.
An command is provided which will update existing data.
