[TASK] Avoid GU::_GP() in UpgradeWizardService

executeWizard() is only used in Web context.
UpgradeController has the request, prepares
arguments and feeds them to executeWizard()
now, instead of using GeneralUtility::_GP()
within the method.

Resolves: #99928
Releases: main
Change-Id: I9b3d11072b011866640984c9339671107a1449f2
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/77828


Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>