[DOCS] Add directive to deny access for current Apache

The example in the note shows how to deny access up to Apache 2.2.
The directive for the current version is added.

Resolves: #90433
Releases: master, 9.5
Change-Id: I7842af8acdf632aebab8b8f63637450efd4fa23c
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/63321


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Björn Jacob <bjoern.jacob@tritum.de>
Tested-by: Ralf Zimmermann <ralf.zimmermann@tritum.de>
Reviewed-by: Björn Jacob <bjoern.jacob@tritum.de>
Reviewed-by: Ralf Zimmermann <ralf.zimmermann@tritum.de>