[TASK] Update Feature-82014-ExtensionScanner.rst

Fixed Link to Extension-Scanner Docs

Releases: master
Resolves: #85595
Change-Id: I181b34497db5d0f2807c035d6228f6fb9f2f31a4
Reviewed-on: https://review.typo3.org/57631


Reviewed-by: Mathias Schreiber <mathias.schreiber@typo3.com>
Tested-by: Mathias Schreiber <mathias.schreiber@typo3.com>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Daniel Goerz <ervaude@gmail.com>
Tested-by: Daniel Goerz <ervaude@gmail.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>