[BUGFIX] Fix typo in @internal annotation

Resolves: #96911
Releases: main
Change-Id: I0abf46b1e14c29a53859851fa606dacbdbcc2f70
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/73525


Tested-by: Oliver Bartsch <bo@cedev.de>
Tested-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>