[TASK] Replace usage of old logo

The old logo is used in a screenshot of the logo and needs to be updated.

Resolves: #54185
Releases: 6.3
Change-Id: Iac7f6d06cbf77a75855e780fa5653efb58febaad
Reviewed-on: http://review.typo3.org/32650
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>