[TASK] Avoid usage of object manager in RequestBuilder

Replace ObjectManager->get() with GeneralUtility::makeInstance()

Releases: master
Resolves: #92243
Change-Id: Idcf8436699e5d6845cab95d5332a536c156748dd
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/65651


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Oliver Bartsch <bo@cedev.de>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>