[TASK] Fix system extensions composer.json type entry

The current composer type of system extensions is "typo3cms-framework".
In the composer installer for TYPO3 CMS the composer type of extensions
is "typo3-cms-extension". In order to align our composer type with the
community defined it is changed to "typo3-cms-framework".

Resolves: #52831
Releases: 6.2
Change-Id: I1f43a60bd4cf59b47163123b57c8ba09e35e6526
Reviewed-on: https://review.typo3.org/24780
Reviewed-by: Sebastian Fischer
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn