[DOCS] Fix typo in argument numbers in migration section

Releases: main, 11.5
Resolves: #99773
Change-Id: Ife6196a387db61ab7d81506cd32d7adc14bf609d
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/77579


Reviewed-by: Oliver Bartsch <bo@cedev.de>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Oliver Bartsch <bo@cedev.de>